diff --git a/mesh.proto b/mesh.proto
index 2931e48..81a456c 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -338,6 +338,11 @@ enum HardwareModel {
    */
   NANO_G1 = 41; 
   
+   /*
+   * nRF52840 Dongle : https://www.nordicsemi.com/Products/Development-hardware/nrf52840-dongle/
+   */
+  NRF52840_PCA10059 = 42;
+  
   /*
    * 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.
    */