diff --git a/samples/bluetooth/direct_test_mode/src/dtm.c b/samples/bluetooth/direct_test_mode/src/dtm.c
index 9fad67aae606..4b7ec8585dc6 100644
--- a/samples/bluetooth/direct_test_mode/src/dtm.c
+++ b/samples/bluetooth/direct_test_mode/src/dtm.c
@@ -746,6 +746,11 @@ static nrf_radio_txpower_t dbm_to_nrf_radio_txpower(int8_t tx_power)
 	 * to the appropriate radio register enumerator.
 	 */
 	switch (tx_power) {
+#if defined(RADIO_TXPOWER_TXPOWER_Neg100dBm)
+	case -100:
+		return RADIO_TXPOWER_TXPOWER_Neg100dBm;
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg100dBm) */
+
 #if defined(RADIO_TXPOWER_TXPOWER_Neg70dBm)
 	case -70:
 		return RADIO_TXPOWER_TXPOWER_Neg70dBm;
@@ -766,14 +771,24 @@ static nrf_radio_txpower_t dbm_to_nrf_radio_txpower(int8_t tx_power)
 		return RADIO_TXPOWER_TXPOWER_Neg30dBm;
 #endif /* defined(RADIO_TXPOWER_TXPOWER_Neg30dBm) */
 
-#if defined(RADIO_TXPOWER_TXPOWER_Neg26dBm)
-	case -26:
-		return RADIO_TXPOWER_TXPOWER_Neg26dBm;
-#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg26dBm) */
+#if defined(RADIO_TXPOWER_TXPOWER_Neg28dBm)
+	case -28:
+		return RADIO_TXPOWER_TXPOWER_Neg28dBm;
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg28dBm) */
+
+#if defined(RADIO_TXPOWER_TXPOWER_Neg22dBm)
+	case -22:
+		return RADIO_TXPOWER_TXPOWER_Neg22Bm;
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg22dBm) */
 
 	case -20:
 		return RADIO_TXPOWER_TXPOWER_Neg20dBm;
 
+#if defined(RADIO_TXPOWER_TXPOWER_Neg18dBm)
+	case -18:
+		return RADIO_TXPOWER_TXPOWER_Neg18Bm;
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg18dBm) */
+
 	case -16:
 		return RADIO_TXPOWER_TXPOWER_Neg16dBm;
 
diff --git a/samples/bluetooth/direct_test_mode/src/dtm_hw.c b/samples/bluetooth/direct_test_mode/src/dtm_hw.c
index 705a1d73361c..5f181182e455 100644
--- a/samples/bluetooth/direct_test_mode/src/dtm_hw.c
+++ b/samples/bluetooth/direct_test_mode/src/dtm_hw.c
@@ -11,6 +11,9 @@
 
 /* All valid power levels (in dBm) supported by the SoC. */
 const int8_t nrf_power_value[] = {
+#if defined(RADIO_TXPOWER_TXPOWER_Neg100dBm)
+	-100,
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg100dBm) */
 #if defined(RADIO_TXPOWER_TXPOWER_Neg70dBm)
 	-70,
 #endif /* defined(RADIO_TXPOWER_TXPOWER_Neg70dBm) */
@@ -23,10 +26,16 @@ const int8_t nrf_power_value[] = {
 #if defined(RADIO_TXPOWER_TXPOWER_Neg30dBm)
 	-30,
 #endif /* defined(RADIO_TXPOWER_TXPOWER_Neg30dBm) */
-#if defined(RADIO_TXPOWER_TXPOWER_Neg26dBm)
-	-26,
-#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg26dBm) */
+#if defined(RADIO_TXPOWER_TXPOWER_Neg28dBm)
+	-28,
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg28dBm) */
+#if defined(RADIO_TXPOWER_TXPOWER_Neg22dBm)
+	-22,
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg22dBm) */
 	-20,
+#if defined(RADIO_TXPOWER_TXPOWER_Neg18dBm)
+	-18,
+#endif /* defined(RADIO_TXPOWER_TXPOWER_Neg18dBm) */
 	-16,
 #if defined(RADIO_TXPOWER_TXPOWER_Neg14dBm)
 	-14,