diff --git a/mesh.proto b/mesh.proto
index a795047..41205cd 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -290,6 +290,11 @@ enum HardwareModel {
    */
   HELTEC_V1 = 11;
   
+  /*
+   * New T-BEAM with ESP32-S3 CPU
+   */
+  LILYGO_TBEAM_S3_CORE = 12;
+  
   /*
    * Less common/prototype boards listed here (needs one more byte over the air)
    */