diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index 985cfdf7f..7590ac34d 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -67,6 +67,7 @@ const RegionInfo regions[] = {
     /*
         https://www.iot.org.au/wp/wp-content/uploads/2016/12/IoTSpectrumFactSheet.pdf
         https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf
+        Also used in Brazil.
      */
     RDEF(ANZ, 915.0f, 928.0f, 100, 0, 30, true, false, false),
 
@@ -177,6 +178,13 @@ const RegionInfo regions[] = {
     */
     RDEF(NP_865, 865.0f, 868.0f, 100, 0, 30, true, false, false),
 
+    /*
+        Brazil
+        902 - 907.5 MHz , 1W power limit, no duty cycle restrictions
+        https://github.com/meshtastic/firmware/issues/3741
+    */
+    RDEF(BR_902, 902.0f, 907.5f, 100, 0, 30, true, false, false),
+
     /*
        2.4 GHZ WLAN Band equivalent. Only for SX128x chips.
     */