diff --git a/ADF7021.cpp b/ADF7021.cpp
index 6ccfc07..3d3d33f 100644
--- a/ADF7021.cpp
+++ b/ADF7021.cpp
@@ -1,6 +1,6 @@
 /*
  *   Copyright (C) 2016 by Jim McLaughlin KI6ZUM
- *   Copyright (C) 2016,2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
  *   Copyright (C) 2017 by Danilo DB4PLE
  *
  *   Some of the code is based on work of Guus Van Dooren PE1PLM:
@@ -216,7 +216,7 @@ void CIO::ifConf(MMDVM_STATE modemState, bool reset)
     m_frequency_rx   = m_pocsag_freq_tx;
   }
 
-  #if defined (ZUMSPOT_ADF7021)
+  #if defined (ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
   io.checkBand(m_frequency_rx, m_frequency_tx);
   #endif
 
diff --git a/BUILD.md b/BUILD.md
index 79a09d0..8a6b265 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -489,6 +489,8 @@ Please check here for detailed instructions:
 
 - make d2rg_mmdvm_hs: upload the firmware to D2RG MMDVM_HS board (using internal serial port)
 
+- make skybridge: upload the firmware to SkyBridge HotSpot board (using internal serial port)
+
 - make dfu [devser=/dev/ttyXXX]: upload firmware using USB bootloader. "devser" is optional, and it corresponds to the USB serial port device name. This option permits to perform a reset to enter to booloader mode (DFU). If you don't use "devser", you have to press the reset button of the ZUMspot just before using this command.
 
 - make serial devser=/dev/ttyXXX: upload standard firmware using serial port bootloader method.
diff --git a/Config.h b/Config.h
index 842d5df..167f4e8 100644
--- a/Config.h
+++ b/Config.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/IO.cpp b/IO.cpp
index 805c21e..88d5501 100644
--- a/IO.cpp
+++ b/IO.cpp
@@ -1,6 +1,6 @@
 /*
  *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
- *   Copyright (C) 2016,2017,2018 by Andy Uribe CA6JAU
+ *   Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
  *   Copyright (C) 2017 by Danilo DB4PLE
 
  *   This program is free software; you can redistribute it and/or modify
@@ -307,7 +307,7 @@ bool CIO::hasRXOverflow()
   return m_rxBuffer.hasOverflowed();
 }
 
-#if defined(ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
 void CIO::checkBand(uint32_t frequency_rx, uint32_t frequency_tx) {
   if (!(io.hasSingleADF7021())) {
     // There are two ADF7021s on the board
@@ -380,7 +380,7 @@ uint8_t CIO::setFreq(uint32_t frequency_rx, uint32_t frequency_tx, uint8_t rf_po
 #endif
 
 // Check if we have a single, dualband or duplex board
-#if defined (ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
   if (checkZUMspot(frequency_rx, frequency_tx) > 0) {
     return 4U;
   }
diff --git a/IO.h b/IO.h
index fac37fe..23f19d9 100644
--- a/IO.h
+++ b/IO.h
@@ -1,6 +1,6 @@
 /*
  *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
- *   Copyright (C) 2016,2017,2018 by Andy Uribe CA6JAU
+ *   Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
  *   Copyright (C) 2017 by Danilo DB4PLE
 
  *   This program is free software; you can redistribute it and/or modify
@@ -124,7 +124,7 @@ class CIO {
   uint32_t  getWatchdog(void);
   void      getIntCounter(uint16_t &int1, uint16_t &int2);
   void      selfTest(void);
-#if defined(ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
   void      checkBand(uint32_t frequency_rx, uint32_t frequency_tx);
   uint8_t   checkZUMspot(uint32_t frequency_rx, uint32_t frequency_tx);
   void      setBandVHF(bool vhf_on);
diff --git a/IOArduino.cpp b/IOArduino.cpp
index 967a38c..835b2e8 100644
--- a/IOArduino.cpp
+++ b/IOArduino.cpp
@@ -1,6 +1,6 @@
 /*
  *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
- *   Copyright (C) 2016,2017,2018 by Andy Uribe CA6JAU
+ *   Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
  *   Copyright (C) 2017 by Danilo DB4PLE 
  
  *   This program is free software; you can redistribute it and/or modify
@@ -28,7 +28,7 @@
 
 // STM32F1 pin definitions, using STM32duino
 
-#if defined(ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
 
 #define PIN_SCLK       PB5
 #define PIN_SREAD      PB6
@@ -81,7 +81,7 @@
 #define PIN_COS_LED    PB15
 
 #else
-#error "Either ZUMSPOT_ADF7021, LIBRE_KIT_ADF7021, MMDVM_HS_HAT_REV12, MMDVM_HS_DUAL_HAT_REV10, NANO_HOTSPOT or NANO_DV_REV10 need to be defined"
+#error "Either ZUMSPOT_ADF7021, LIBRE_KIT_ADF7021, MMDVM_HS_HAT_REV12, MMDVM_HS_DUAL_HAT_REV10, NANO_HOTSPOT, NANO_DV_REV10 or SKYBRIDGE_HS need to be defined"
 #endif
 
 #elif defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
@@ -156,7 +156,7 @@ void CIO::Init()
 {
 #if defined (__STM32F1__)
 
-#if defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV10)
+#if defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV10) || defined(SKYBRIDGE_HS)
   afio_cfg_debug_ports(AFIO_DEBUG_SW_ONLY);
 #endif
 
diff --git a/IOSTM.cpp b/IOSTM.cpp
index 208cdeb..0610ad4 100644
--- a/IOSTM.cpp
+++ b/IOSTM.cpp
@@ -1,6 +1,6 @@
 /*
  *   Copyright (C) 2016 by Jim McLaughlin KI6ZUM
- *   Copyright (C) 2016,2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
  *   Copyright (C) 2017 by Danilo DB4PLE 
   
  *   This program is free software; you can redistribute it and/or modify
@@ -92,7 +92,7 @@
 #define PIN_COS_LED          GPIO_Pin_13
 #define PORT_COS_LED         GPIOB
 
-#elif defined(ZUMSPOT_ADF7021)
+#elif defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
 
 #define PIN_SCLK             GPIO_Pin_5
 #define PORT_SCLK            GPIOB
@@ -258,7 +258,7 @@
 #define PORT_COS_LED         GPIOB
 
 #else
-#error "Either PI_HAT_7021_REV_02, ZUMSPOT_ADF7021, LIBRE_KIT_ADF7021, MMDVM_HS_HAT_REV12, MMDVM_HS_DUAL_HAT_REV10, NANO_HOTSPOT, NANO_DV_REV11 or D2RG_MMDVM_HS need to be defined"
+#error "Either PI_HAT_7021_REV_02, ZUMSPOT_ADF7021, LIBRE_KIT_ADF7021, MMDVM_HS_HAT_REV12, MMDVM_HS_DUAL_HAT_REV10, NANO_HOTSPOT, NANO_DV_REV11, D2RG_MMDVM_HS or SKYBRIDGE_HS need to be defined"
 #endif
 
 extern "C" {
@@ -280,7 +280,7 @@ extern "C" {
   }
 #endif
 
-#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS)
+#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS) || defined(SKYBRIDGE_HS)
 
 #if defined(BIDIR_DATA_PIN)
   void EXTI3_IRQHandler(void) {
@@ -300,7 +300,7 @@ extern "C" {
 
 #if defined(DUPLEX)
   void EXTI9_5_IRQHandler(void) {
-    #if defined(ZUMSPOT_ADF7021)
+    #if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
     if(EXTI_GetITStatus(EXTI_Line8)!=RESET) {
       io.interrupt2();
     EXTI_ClearITPendingBit(EXTI_Line8);
@@ -331,11 +331,11 @@ void CIO::Init()
 
 #if defined(PI_HAT_7021_REV_02)
   GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE);
-#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS)
+#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS) || defined(SKYBRIDGE_HS)
   GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
 #endif
 
-#if defined(ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
   // Pin defines if the board has a single ADF7021 or double
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
   GPIO_InitStruct.GPIO_Pin   = PIN_SGL_DBL;
@@ -532,7 +532,7 @@ void CIO::Init()
   EXTI_InitStructure.EXTI_Line = EXTI_Line14;
 #endif
 
-#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS)
+#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS) || defined(SKYBRIDGE_HS)
 
 #if defined(BIDIR_DATA_PIN)
   // Connect EXTI3 Line
@@ -550,7 +550,7 @@ void CIO::Init()
   // Connect EXTI5 Line
   GPIO_EXTILineConfig(PORT_TXD2_INT, PIN_TXD2_INT);
   // Configure EXT5 line
-  #if defined(ZUMSPOT_ADF7021)
+  #if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
   EXTI_InitStructure2.EXTI_Line = EXTI_Line8;
   #else
   EXTI_InitStructure2.EXTI_Line = EXTI_Line5;
@@ -584,7 +584,7 @@ void CIO::startInt()
 
   NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
 
-#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS)
+#elif defined(ZUMSPOT_ADF7021) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV11) || defined(D2RG_MMDVM_HS) || defined(SKYBRIDGE_HS)
 
 #if defined(BIDIR_DATA_PIN)
   // Enable and set EXTI3 Interrupt
@@ -754,7 +754,7 @@ void CIO::COS_pin(bool on)
   GPIO_WriteBit(PORT_COS_LED, PIN_COS_LED, on ? Bit_SET : Bit_RESET);
 }
 
-#if defined(ZUMSPOT_ADF7021)
+#if defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS)
 void CIO::setBandVHF(bool vhf_on) {
   GPIO_WriteBit(PORT_SET_BAND, PIN_SET_BAND, vhf_on ? Bit_SET : Bit_RESET);
 }
diff --git a/Makefile b/Makefile
index 9c944e2..b30ef7c 100644
--- a/Makefile
+++ b/Makefile
@@ -476,6 +476,8 @@ mmdvm_hs_hat: zumspot-pi
 
 mmdvm_hs_dual_hat: zumspot-pi
 
+skybridge: zumspot-pi
+
 hotpot-opipc_opipcplus:
 ifneq ($(wildcard /usr/local/bin/stm32flash),)
 	/usr/local/bin/stm32flash -v -w bin/$(BINBIN_F1) -g 0x0 -R -i 198,-199,199:-198,199 /dev/ttyS3
diff --git a/README.md b/README.md
index bf0ebe9..ad55656 100644
--- a/README.md
+++ b/README.md
@@ -135,6 +135,7 @@ Download the script (*.sh) that matches with your ZUMspot/MMDVM_HS board:
 - install_fw_gen_gpio.sh: only for generic MMDVM_HS board (EA7GIB) with GPIO serial interface
 - install_fw_duplex_gpio.sh: only for MMDVM_HS with dual ADF7021 (EA7GIB) or generic dual ADF7021 board with GPIO serial interface
 - install_fw_duplex_usb.sh: only for MMDVM_HS with dual ADF7021 (EA7GIB) or generic dual ADF7021 board with USB interface
+- install_fw_skybridge_rpi.sh: only for BridgeCom SkyBridge HotSpot
 
 For example, download the ZUMspot RPi upgrade script:
 
diff --git a/SerialPort.cpp b/SerialPort.cpp
index 1d5ff50..ff1238e 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -321,7 +321,7 @@ uint8_t CSerialPort::setConfig(const uint8_t* data, uint8_t length)
     DEBUG1("Full duplex not supported with this firmware");
     return 6U;
   }
-#elif defined(DUPLEX) && defined(ZUMSPOT_ADF7021)
+#elif defined(DUPLEX) && (defined(ZUMSPOT_ADF7021) || defined(SKYBRIDGE_HS))
   if (io.isDualBand() && m_duplex && m_calState == STATE_IDLE && modemState != STATE_DSTARCAL) {
     DEBUG1("Full duplex is not supported on this board");
     return 6U;
diff --git a/configs/D2RG_MMDVM_HS.h b/configs/D2RG_MMDVM_HS.h
index 9c55cf2..4a78537 100644
--- a/configs/D2RG_MMDVM_HS.h
+++ b/configs/D2RG_MMDVM_HS.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/MMDVM_HS_Dual_Hat-12mhz.h b/configs/MMDVM_HS_Dual_Hat-12mhz.h
index 88779ef..d54e9d5 100644
--- a/configs/MMDVM_HS_Dual_Hat-12mhz.h
+++ b/configs/MMDVM_HS_Dual_Hat-12mhz.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU, Florian Wolters DF2ET
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU, Florian Wolters DF2ET
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/MMDVM_HS_Dual_Hat.h b/configs/MMDVM_HS_Dual_Hat.h
index ace2477..2e09050 100644
--- a/configs/MMDVM_HS_Dual_Hat.h
+++ b/configs/MMDVM_HS_Dual_Hat.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU, Florian Wolters DF2ET
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU, Florian Wolters DF2ET
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/MMDVM_HS_Hat-12mhz.h b/configs/MMDVM_HS_Hat-12mhz.h
index 34d38f2..0675cf5 100644
--- a/configs/MMDVM_HS_Hat-12mhz.h
+++ b/configs/MMDVM_HS_Hat-12mhz.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU, Florian Wolters DF2ET
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU, Florian Wolters DF2ET
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/MMDVM_HS_Hat.h b/configs/MMDVM_HS_Hat.h
index 643a817..8a875a7 100644
--- a/configs/MMDVM_HS_Hat.h
+++ b/configs/MMDVM_HS_Hat.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/NanoDV_NPI.h b/configs/NanoDV_NPI.h
index 8f987d7..ec1c700 100644
--- a/configs/NanoDV_NPI.h
+++ b/configs/NanoDV_NPI.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 #define NANO_DV_REV11
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/NanoDV_USB.h b/configs/NanoDV_USB.h
index ce20034..e4934d8 100644
--- a/configs/NanoDV_USB.h
+++ b/configs/NanoDV_USB.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 #define NANO_DV_REV11
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/Nano_hotSPOT.h b/configs/Nano_hotSPOT.h
index 187cab6..2547921 100644
--- a/configs/Nano_hotSPOT.h
+++ b/configs/Nano_hotSPOT.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/SkyBridge_RPi.h b/configs/SkyBridge_RPi.h
new file mode 100644
index 0000000..b9fda1a
--- /dev/null
+++ b/configs/SkyBridge_RPi.h
@@ -0,0 +1,116 @@
+/*
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#if !defined(CONFIG_H)
+#define  CONFIG_H
+
+// Select one board (STM32F103 based boards)
+// 1) ZUMspot RPi or ZUMspot USB:
+// #define ZUMSPOT_ADF7021
+// 2) Libre Kit board or any homebrew hotspot with modified RF7021SE and Blue Pill STM32F103:
+// #define LIBRE_KIT_ADF7021
+// 3) MMDVM_HS_Hat revisions 1.1, 1.2 and 1.4 (DB9MAT & DF2ET)
+// #define MMDVM_HS_HAT_REV12
+// 4) MMDVM_HS_Dual_Hat revisions 1.0 (DB9MAT & DF2ET & DO7EN)
+// #define MMDVM_HS_DUAL_HAT_REV10
+// 5) Nano hotSPOT (BI7JTA)
+// #define NANO_HOTSPOT
+// 6) NanoDV NPi or USB revisions 1.0 (BG4TGO & BG5HHP)
+// #define NANO_DV_REV10
+// 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
+// #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+#define SKYBRIDGE_HS
+
+// Enable ADF7021 support:
+#define ENABLE_ADF7021
+
+// Enable full duplex support with dual ADF7021 (valid for homebrew hotspots only):
+// #define DUPLEX
+
+// TCXO of the ADF7021
+// For 14.7456 MHz:
+#define ADF7021_14_7456
+// For 12.2880 MHz:
+// #define ADF7021_12_2880
+
+// Configure receiver gain for ADF7021
+// AGC automatic, default settings:
+#define AD7021_GAIN_AUTO
+// AGC automatic with high LNA linearity:
+// #define AD7021_GAIN_AUTO_LIN
+// AGC OFF, lowest gain: 
+// #define AD7021_GAIN_LOW
+// AGC OFF, highest gain:
+// #define AD7021_GAIN_HIGH
+
+// Host communication selection:
+#define STM32_USART1_HOST
+// #define STM32_USB_HOST
+// #define STM32_I2C_HOST
+
+// I2C host address:
+#define I2C_ADDR 0x22
+
+// Enable mode detection:
+#define ENABLE_SCAN_MODE
+
+// Send RSSI value:
+#define SEND_RSSI_DATA
+
+// Enable Nextion LCD serial port repeater on USART2 (ZUMspot Libre Kit and ZUMspot RPi):
+#define SERIAL_REPEATER
+#define SERIAL_REPEATER_BAUD 9600
+
+// Enable Nextion LCD serial port repeater on USART1 (Do not use with STM32_USART1_HOST enabled):
+// #define SERIAL_REPEATER_USART1
+
+// Enable P25 Wide modulation:
+// #define ENABLE_P25_WIDE
+
+// Disable mode LEDs blink during scan mode:
+// #define QUIET_MODE_LEDS
+
+// Engage a constant or descreet Service LED mode once repeater is running 
+// #define CONSTANT_SRV_LED
+// #define CONSTANT_SRV_LED_INVERTED
+// #define DISCREET_SRV_LED
+// #define DISCREET_SRV_LED_INVERTED
+
+// Use the YSF and P25 LEDs for NXDN
+// #define USE_ALTERNATE_NXDN_LEDS
+
+// Use the D-Star and DMR LEDs for POCSAG
+// #define USE_ALTERNATE_POCSAG_LEDS
+
+// Enable for RPi 3B+, USB mode
+// #define LONG_USB_RESET
+
+// Enable modem debug messages
+#define ENABLE_DEBUG
+
+// Disable frequency bands check
+// #define DISABLE_FREQ_CHECK
+
+// Disable frequency restrictions (satellite, ISS, etc)
+// #define DISABLE_FREQ_BAN
+
+// Enable UDID feature
+#define ENABLE_UDID
+
+#endif
diff --git a/configs/ZUMspot_Libre.h b/configs/ZUMspot_Libre.h
index 842d5df..167f4e8 100644
--- a/configs/ZUMspot_Libre.h
+++ b/configs/ZUMspot_Libre.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/ZUMspot_RPi.h b/configs/ZUMspot_RPi.h
index f7cd5f6..6611d2f 100644
--- a/configs/ZUMspot_RPi.h
+++ b/configs/ZUMspot_RPi.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/ZUMspot_USB.h b/configs/ZUMspot_USB.h
index b055bfb..0441521 100644
--- a/configs/ZUMspot_USB.h
+++ b/configs/ZUMspot_USB.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/ZUMspot_dualband.h b/configs/ZUMspot_dualband.h
index d974f08..5fd896e 100644
--- a/configs/ZUMspot_dualband.h
+++ b/configs/ZUMspot_dualband.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -32,6 +32,10 @@
 // #define NANO_HOTSPOT
 // 6) NanoDV NPi or USB revisions 1.0 (BG4TGO & BG5HHP)
 // #define NANO_DV_REV10
+// 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
+// #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/ZUMspot_duplex.h b/configs/ZUMspot_duplex.h
index 80da2c5..25e8761 100644
--- a/configs/ZUMspot_duplex.h
+++ b/configs/ZUMspot_duplex.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/generic_duplex_gpio.h b/configs/generic_duplex_gpio.h
index 96428b9..42402c0 100644
--- a/configs/generic_duplex_gpio.h
+++ b/configs/generic_duplex_gpio.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/generic_duplex_usb.h b/configs/generic_duplex_usb.h
index b1e7b74..769e3fb 100644
--- a/configs/generic_duplex_usb.h
+++ b/configs/generic_duplex_usb.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/configs/generic_gpio.h b/configs/generic_gpio.h
index e946f12..619393d 100644
--- a/configs/generic_gpio.h
+++ b/configs/generic_gpio.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -34,6 +34,8 @@
 // #define NANO_DV_REV10
 // 7) D2RG MMDVM_HS RPi (BG3MDO, VE2GZI, CA6JAU)
 // #define D2RG_MMDVM_HS
+// 8) BridgeCom SkyBridge HotSpot
+// #define SKYBRIDGE_HS
 
 // Enable ADF7021 support:
 #define ENABLE_ADF7021
diff --git a/scripts/build_fw.sh b/scripts/build_fw.sh
index 4ea323e..5eab4f2 100755
--- a/scripts/build_fw.sh
+++ b/scripts/build_fw.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-#   Copyright (C) 2017,2018 by Andy Uribe CA6JAU
+#   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
 
 #   This program is free software; you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -28,7 +28,7 @@ echo "*******************************************************"
 echo "********* Building ZUMspot Libre Kit firmware *********"
 echo "*******************************************************"
 cp ~/MMDVM_HS/configs/ZUMspot_Libre.h ~/MMDVM_HS/Config.h
-make bl
+make -j4 bl
 mv ~/MMDVM_HS/bin/mmdvm_f1bl.bin ~/MMDVM_HS/bin/zumspot_libre_fw.bin
 make clean
 
@@ -37,7 +37,7 @@ echo "*************************************************"
 echo "********* Building ZUMspot RPi firmware *********"
 echo "*************************************************"
 cp ~/MMDVM_HS/configs/ZUMspot_RPi.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/zumspot_rpi_fw.bin
 make clean
 
@@ -46,7 +46,7 @@ echo "*************************************************"
 echo "********* Building ZUMspot USB firmware *********"
 echo "*************************************************"
 cp ~/MMDVM_HS/configs/ZUMspot_USB.h ~/MMDVM_HS/Config.h
-make bl
+make -j4 bl
 mv ~/MMDVM_HS/bin/mmdvm_f1bl.bin ~/MMDVM_HS/bin/zumspot_usb_fw.bin
 make clean
 
@@ -55,7 +55,7 @@ echo "****************************************************"
 echo "********* Building ZUMspot Duplex firmware *********"
 echo "****************************************************"
 cp ~/MMDVM_HS/configs/ZUMspot_duplex.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/zumspot_duplex_fw.bin
 make clean
 
@@ -64,7 +64,7 @@ echo "******************************************************"
 echo "********* Building ZUMspot Dualband firmware *********"
 echo "******************************************************"
 cp ~/MMDVM_HS/configs/ZUMspot_dualband.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/zumspot_dualband_fw.bin
 make clean
 
@@ -73,7 +73,7 @@ echo "**************************************************"
 echo "********* Building MMDVM_HS_Hat firmware *********"
 echo "**************************************************"
 cp ~/MMDVM_HS/configs/MMDVM_HS_Hat.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/mmdvm_hs_hat_fw.bin
 make clean
 
@@ -82,7 +82,7 @@ echo "********************************************************************"
 echo "********* Building MMDVM_HS_Hat (12.288 MHz TCXO) firmware *********"
 echo "********************************************************************"
 cp ~/MMDVM_HS/configs/MMDVM_HS_Hat-12mhz.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/mmdvm_hs_hat_fw-12mhz.bin
 make clean
 
@@ -91,7 +91,7 @@ echo "*******************************************************"
 echo "********* Building MMDVM_HS_Dual_Hat firmware *********"
 echo "*******************************************************"
 cp ~/MMDVM_HS/configs/MMDVM_HS_Dual_Hat.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/mmdvm_hs_dual_hat_fw.bin
 make clean
 
@@ -100,7 +100,7 @@ echo "*************************************************************************"
 echo "********* Building MMDVM_HS_Dual_Hat (12.288 MHz TCXO) firmware *********"
 echo "*************************************************************************"
 cp ~/MMDVM_HS/configs/MMDVM_HS_Dual_Hat-12mhz.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/mmdvm_hs_dual_hat_fw-12mhz.bin
 make clean
 
@@ -109,7 +109,7 @@ echo "**************************************************"
 echo "********* Building Nano hotSPOT firmware *********"
 echo "**************************************************"
 cp ~/MMDVM_HS/configs/Nano_hotSPOT.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/nano_hotspot_fw.bin
 make clean
 
@@ -118,7 +118,7 @@ echo "************************************************"
 echo "********* Building NanoDV NPi firmware *********"
 echo "************************************************"
 cp ~/MMDVM_HS/configs/NanoDV_NPi.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/nanodv_npi_fw.bin
 make clean
 
@@ -127,7 +127,7 @@ echo "************************************************"
 echo "********* Building NanoDV USB firmware *********"
 echo "************************************************"
 cp ~/MMDVM_HS/configs/NanoDV_USB.h ~/MMDVM_HS/Config.h
-make bl
+make -j4 bl
 mv ~/MMDVM_HS/bin/mmdvm_f1bl.bin ~/MMDVM_HS/bin/nanodv_usb_fw.bin
 make clean
 
@@ -136,7 +136,7 @@ echo "***************************************************"
 echo "********* Building D2RG MMDVM_HS firmware *********"
 echo "***************************************************"
 cp ~/MMDVM_HS/configs/D2RG_MMDVM_HS.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/d2rg_mmdvm_hs.bin
 make clean
 
@@ -145,7 +145,7 @@ echo "**********************************************************"
 echo "********* Building Generic Simplex GPIO firmware *********"
 echo "**********************************************************"
 cp ~/MMDVM_HS/configs/generic_gpio.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/generic_gpio_fw.bin
 make clean
 
@@ -154,7 +154,7 @@ echo "*********************************************************"
 echo "********* Building Generic Duplex GPIO firmware *********"
 echo "*********************************************************"
 cp ~/MMDVM_HS/configs/generic_duplex_gpio.h ~/MMDVM_HS/Config.h
-make
+make -j4
 mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/generic_duplex_gpio_fw.bin
 make clean
 
@@ -163,8 +163,17 @@ echo "********************************************************"
 echo "********* Building Generic Duplex USB firmware *********"
 echo "********************************************************"
 cp ~/MMDVM_HS/configs/generic_duplex_usb.h ~/MMDVM_HS/Config.h
-make bl
+make -j4 bl
 mv ~/MMDVM_HS/bin/mmdvm_f1bl.bin ~/MMDVM_HS/bin/generic_duplex_usb_fw.bin
 make clean
 
+# Building SkyBridge RPi HS
+echo "******************************************************"
+echo "********* Building SkyBridge RPi HS firmware *********"
+echo "******************************************************"
+cp ~/MMDVM_HS/configs/SkyBridge_RPi.h ~/MMDVM_HS/Config.h
+make -j4
+mv ~/MMDVM_HS/bin/mmdvm_f1.bin ~/MMDVM_HS/bin/skybridge_rpi_fw.bin
+make clean
+
 cp ~/MMDVM_HS/configs/ZUMspot_Libre.h ~/MMDVM_HS/Config.h
diff --git a/scripts/install_fw_skybridge_rpi.sh b/scripts/install_fw_skybridge_rpi.sh
new file mode 100755
index 0000000..50480ad
--- /dev/null
+++ b/scripts/install_fw_skybridge_rpi.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+#   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
+
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Configure latest version
+FW_VERSION="v1.5.2"
+
+# Configure beta version
+FW_VERSION_BETA="v1.5.1b"
+
+# Firmware filename
+FW_FILENAME="skybridge_rpi_fw.bin"
+	
+# Download latest firmware
+if [ $1 = "beta" ]; then
+	echo "Downloading beta firmware..."
+	curl -OL https://github.com/juribeparada/MMDVM_HS/releases/download/$FW_VERSION_BETA/$FW_FILENAME
+else
+	echo "Downloading latest firmware (stable)..."
+	curl -OL https://github.com/juribeparada/MMDVM_HS/releases/download/$FW_VERSION/$FW_FILENAME
+fi
+
+# Download STM32F10X_Lib (only for binary tools)
+if [ ! -d "./STM32F10X_Lib/utils" ]; then
+  git clone https://github.com/juribeparada/STM32F10X_Lib
+fi
+
+# Configure vars depending on OS
+if [ $(uname -s) == "Linux" ]; then
+	if [ $(uname -m) == "x86_64" ]; then
+		echo "Linux 64-bit detected"
+		DFU_RST="./STM32F10X_Lib/utils/linux64/upload-reset"
+		DFU_UTIL="./STM32F10X_Lib/utils/linux64/dfu-util"
+		ST_FLASH="./STM32F10X_Lib/utils/linux64/st-flash"
+		STM32FLASH="./STM32F10X_Lib/utils/linux64/stm32flash"
+	elif [ $(uname -m) == "armv7l" ]; then
+		echo "Raspberry Pi 3 detected"
+		DFU_RST="./STM32F10X_Lib/utils/rpi32/upload-reset"
+		DFU_UTIL="./STM32F10X_Lib/utils/rpi32/dfu-util"
+		ST_FLASH="./STM32F10X_Lib/utils/rpi32/st-flash"
+		STM32FLASH="./STM32F10X_Lib/utils/rpi32/stm32flash"
+	elif [ $(uname -m) == "armv6l" ]; then
+		echo "Raspberry Pi 2 or Pi Zero W detected"
+		DFU_RST="./STM32F10X_Lib/utils/rpi32/upload-reset"
+		DFU_UTIL="./STM32F10X_Lib/utils/rpi32/dfu-util"
+		ST_FLASH="./STM32F10X_Lib/utils/rpi32/st-flash"
+		STM32FLASH="./STM32F10X_Lib/utils/rpi32/stm32flash"
+	else
+		echo "Linux 32-bit detected"
+		DFU_RST="./STM32F10X_Lib/utils/linux/upload-reset"
+		DFU_UTIL="./STM32F10X_Lib/utils/linux/dfu-util"
+		ST_FLASH="./STM32F10X_Lib/utils/linux/st-flash"
+		STM32FLASH="./STM32F10X_Lib/utils/linux/stm32flash"
+	fi
+fi
+
+if [ $(uname -s) == "Darwin" ]; then
+	echo "macOS detected"
+	DFU_RST="./STM32F10X_Lib/utils/macosx/upload-reset"
+	DFU_UTIL="./STM32F10X_Lib/utils/macosx/dfu-util"
+	ST_FLASH="./STM32F10X_Lib/utils/macosx/st-flash"
+	STM32FLASH="./STM32F10X_Lib/utils/macosx/stm32flash"
+fi
+
+# Stop MMDVMHost process to free serial port
+sudo killall MMDVMHost >/dev/null 2>&1
+
+# Upload the firmware
+eval sudo $STM32FLASH -v -w $FW_FILENAME -g 0x0 -R -i 20,-21,21:-20,21 /dev/ttyAMA0
+
diff --git a/version.h b/version.h
index 7b8019f..c0a6589 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2017,2018,2019 by Andy Uribe CA6JAU
+ *   Copyright (C) 2017,2018,2019,2020 by Andy Uribe CA6JAU
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -24,8 +24,8 @@
 
 #define VER_MAJOR       "1"
 #define VER_MINOR       "5"
-#define VER_REV         "1b"
-#define VERSION_DATE    "20191201"
+#define VER_REV         "2"
+#define VERSION_DATE    "20201108"
 
 #if defined(ZUMSPOT_ADF7021)
 #define BOARD_INFO      "ZUMspot"
@@ -39,6 +39,8 @@
 #define BOARD_INFO      "Nano_DV"
 #elif defined(D2RG_MMDVM_HS)
 #define BOARD_INFO      "D2RG_MMDVM_HS"
+#elif defined(SKYBRIDGE_HS)
+#define BOARD_INFO      "SkyBridge"
 #else
 #define BOARD_INFO      "MMDVM_HS"
 #endif