diff --git a/src/configuration.h b/src/configuration.h
index 6dcca72dc..eab2d0120 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -81,6 +81,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Override user saved region, for producing region-locked builds
 // #define REGULATORY_LORA_REGIONCODE meshtastic_Config_LoRaConfig_RegionCode_SG_923
 
+// Total system gain in dBm to subtract from Tx power to remain within regulatory ERP limit for non-licensed operators
+// This value should be set in variant.h and is PA gain + antenna gain (if system ships with an antenna)
+#ifndef REGULATORY_GAIN
+#define REGULATORY_GAIN 0
+#endif
+
 // -----------------------------------------------------------------------------
 // Feature toggles
 // -----------------------------------------------------------------------------
diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index 7a1fcfb94..8e77beee4 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -478,8 +478,8 @@ void RadioInterface::applyModemConfig()
 
     power = loraConfig.tx_power;
 
-    if ((power == 0) || ((power > myRegion->powerLimit) && !devicestate.owner.is_licensed))
-        power = myRegion->powerLimit;
+    if ((power == 0) || ((power + REGULATORY_GAIN > myRegion->powerLimit) && !devicestate.owner.is_licensed))
+        power = myRegion->powerLimit - REGULATORY_GAIN;
 
     if (power == 0)
         power = 17; // Default to this power level if we don't have a valid regional power limit (powerLimit of myRegion defaults