diff --git a/src/lwm/nwk/nwkFrame.h b/src/lwm/nwk/nwkFrame.h
index 80623d3..9e5930f 100644
--- a/src/lwm/nwk/nwkFrame.h
+++ b/src/lwm/nwk/nwkFrame.h
@@ -111,6 +111,7 @@ typedef struct NwkFrame_t
     {
       uint8_t  lqi;
       int8_t   rssi;
+      uint32_t timestamp;
     } rx;
 
     struct
diff --git a/src/lwm/nwk/nwkRx.c b/src/lwm/nwk/nwkRx.c
index 10a221e..71c2ca8 100644
--- a/src/lwm/nwk/nwkRx.c
+++ b/src/lwm/nwk/nwkRx.c
@@ -124,6 +124,7 @@ void PHY_DataInd(PHY_DataInd_t *ind)
   if (NULL == (frame = nwkFrameAlloc()))
     return;
 
+  frame->rx.timestamp = ind->timestamp;
   frame->state = NWK_RX_STATE_RECEIVED;
   frame->size = ind->size;
   frame->rx.lqi = ind->lqi;
@@ -428,6 +429,7 @@ static bool nwkRxIndicateFrame(NwkFrame_t *frame)
   if (NULL == nwkIb.endpoint[header->nwkDstEndpoint])
     return false;
 
+  ind.timestamp = frame->rx.timestamp;
   ind.srcAddr = header->nwkSrcAddr;
   ind.dstAddr = header->nwkDstAddr;
   ind.srcEndpoint = header->nwkSrcEndpoint;
diff --git a/src/lwm/nwk/nwkRx.h b/src/lwm/nwk/nwkRx.h
index e242acd..cf50d63 100644
--- a/src/lwm/nwk/nwkRx.h
+++ b/src/lwm/nwk/nwkRx.h
@@ -78,6 +78,7 @@ typedef struct NWK_DataInd_t
   uint8_t      size;
   uint8_t      lqi;
   int8_t       rssi;
+  uint32_t     timestamp;
 } NWK_DataInd_t;
 
 /*- Prototypes -------------------------------------------------------------*/
diff --git a/src/lwm/phy/phy.c b/src/lwm/phy/phy.c
index fff052a..c942d2c 100644
--- a/src/lwm/phy/phy.c
+++ b/src/lwm/phy/phy.c
@@ -311,6 +311,11 @@ void PHY_TaskHandler(void)
     for (uint8_t i = 0; i < size + 1/*lqi*/; i++)
       phyRxBuffer[i] = TRX_FRAME_BUFFER(i);
 
+    ind.timestamp = SCTSRLL;
+    ind.timestamp |= (uint32_t)SCTSRLH << 8;
+    ind.timestamp |= (uint32_t)SCTSRHL << 16;
+    ind.timestamp |= (uint32_t)SCTSRHH << 24;
+
     ind.data = phyRxBuffer;
     ind.size = size - PHY_CRC_SIZE;
     ind.lqi  = phyRxBuffer[size];
diff --git a/src/lwm/phy/phy.h b/src/lwm/phy/phy.h
index 203ddad..3c66c92 100644
--- a/src/lwm/phy/phy.h
+++ b/src/lwm/phy/phy.h
@@ -68,6 +68,7 @@ typedef struct PHY_DataInd_t
   uint8_t    size;
   uint8_t    lqi;
   int8_t     rssi;
+  uint32_t   timestamp;
 } PHY_DataInd_t;
 
 enum