diff --git a/mesh.proto b/mesh.proto
index 3dd6420..ca3fed6 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -342,6 +342,11 @@ enum HardwareModel {
    * nRF52840 Dongle : https://www.nordicsemi.com/Products/Development-hardware/nrf52840-dongle/
    */
   NRF52840_PCA10059 = 42;
+
+  /*
+   * Custom Disaster Radio esp32 v3 device https://github.com/sudomesh/disaster-radio/tree/master/hardware/board_esp32_v3
+   */
+  DR_DEV = 43;
   
   /*
    * Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.