diff --git a/src/service/mobile_config.proto b/src/service/mobile_config.proto
index 1b598c04..bf2b6d23 100644
--- a/src/service/mobile_config.proto
+++ b/src/service/mobile_config.proto
@@ -21,6 +21,8 @@ message gateway_metadata {
   // The res12 h3 index asserted address of the gateway as a string
   // where an unasserted gateway returns an empty string
   string location = 2;
+  //
+  string device_type = 3;
 }
 
 message gateway_info {
diff --git a/src/service/poc_mobile.proto b/src/service/poc_mobile.proto
index 2681925d..e8786f23 100644
--- a/src/service/poc_mobile.proto
+++ b/src/service/poc_mobile.proto
@@ -248,7 +248,7 @@ enum heartbeat_validity {
   // Gateway is not asserted
   heartbeat_validity_gateway_not_asserted = 10;
   // Heartbeat cell type does not match asserted cell type
-  heartbeat_validity_bad_cell_type = 10;
+  heartbeat_validity_bad_cell_type = 11;
 }
 
 message seniority_update {