diff --git a/protobuf_definitions/message_formats.proto b/protobuf_definitions/message_formats.proto
index d4b039f3..191e65a1 100644
--- a/protobuf_definitions/message_formats.proto
+++ b/protobuf_definitions/message_formats.proto
@@ -1019,6 +1019,7 @@ message MultibeamConfig {
   double gain = 7; // The gain demand (0..1)
   double salinity = 8; // Set water salinity (ppt). Defaults to zero in fresh water
   GuestPortDeviceID device_id = 9; // Device ID of the sonar
+  uint32 bandwidth_limit = 10; // Network bandwidth limit (Mbit/s). Applies only to Oculus devices.
 }
 
 // Discovery message for sonar devices
@@ -1067,4 +1068,4 @@ message CPUInfo {
   float memory_bus_load = 2; // Memory bus load (0..1)
   float main_queue_load = 3; // Main queue load (0..1)
   float guestport_queue_load = 4 ; // Guestport queue load (0..1)
-}
\ No newline at end of file
+}