diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYAS923.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYAS923.cpp
index 41d7053053f..753e6154a81 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYAS923.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYAS923.cpp
@@ -187,7 +187,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define AS923_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define AS923_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYAU915.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYAU915.cpp
index 24c8519000a..82f2e36864b 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYAU915.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYAU915.cpp
@@ -96,7 +96,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define AU915_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define AU915_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYCN470.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYCN470.cpp
index 3385cfe6693..47a9c8e65f8 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYCN470.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYCN470.cpp
@@ -95,7 +95,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define CN470_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define CN470_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYCN779.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYCN779.cpp
index d19e95efb13..6d60c6dafb6 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYCN779.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYCN779.cpp
@@ -107,7 +107,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define CN779_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define CN779_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYEU433.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYEU433.cpp
index 50d60ffd507..b22ac6b8ab9 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYEU433.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYEU433.cpp
@@ -107,7 +107,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define EU433_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define EU433_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYEU868.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYEU868.cpp
index ba1301c015b..5a7f0fd8dfc 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYEU868.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYEU868.cpp
@@ -107,7 +107,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define EU868_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define EU868_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYIN865.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYIN865.cpp
index bdcfcc24a3f..4f5e2fbbd16 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYIN865.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYIN865.cpp
@@ -107,7 +107,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define IN865_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define IN865_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYKR920.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYKR920.cpp
index e5df591e613..1de90021861 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYKR920.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYKR920.cpp
@@ -111,7 +111,11 @@
 /*!
  * Default antenna gain
  */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define KR920_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
 #define KR920_DEFAULT_ANTENNA_GAIN                  2.15f
+#endif
 
 /*!
  * ADR Ack limit
diff --git a/connectivity/lorawan/lorastack/phy/LoRaPHYUS915.cpp b/connectivity/lorawan/lorastack/phy/LoRaPHYUS915.cpp
index 9882b5ea6c3..f32ed93e59f 100644
--- a/connectivity/lorawan/lorastack/phy/LoRaPHYUS915.cpp
+++ b/connectivity/lorawan/lorastack/phy/LoRaPHYUS915.cpp
@@ -94,6 +94,15 @@
  */
 #define US915_DEFAULT_MAX_ERP                      30.0f
 
+/*!
+ * Default antenna gain
+ */
+#ifdef LORAPHY_ANTENNA_GAIN
+#define US915_DEFAULT_ANTENNA_GAIN                  LORAPHY_ANTENNA_GAIN
+#else
+#define US915_DEFAULT_ANTENNA_GAIN                  0.00f
+#endif
+
 /*!
  * ADR Ack limit
  */
@@ -299,7 +308,7 @@ LoRaPHYUS915::LoRaPHYUS915()
     phy_params.max_tx_power = US915_MAX_TX_POWER;
     phy_params.default_tx_power = US915_DEFAULT_TX_POWER;
     phy_params.default_max_eirp = 0;
-    phy_params.default_antenna_gain = 0;
+    phy_params.default_antenna_gain = US915_DEFAULT_ANTENNA_GAIN;
     phy_params.adr_ack_limit = US915_ADR_ACK_LIMIT;
     phy_params.adr_ack_delay = US915_ADR_ACK_DELAY;
     phy_params.max_rx_window = US915_MAX_RX_WINDOW;