diff --git a/libraries/AP_HAL_Linux/UARTDriver.cpp b/libraries/AP_HAL_Linux/UARTDriver.cpp
index ec2974faaf..2e7d3c61d7 100644
--- a/libraries/AP_HAL_Linux/UARTDriver.cpp
+++ b/libraries/AP_HAL_Linux/UARTDriver.cpp
@@ -443,3 +443,10 @@ uint64_t UARTDriver::receive_time_constraint_us(uint16_t nbytes)
     }
     return last_receive_us;
 }
+
+uint32_t UARTDriver::bw_in_bytes_per_second() const
+{
+    // if connected, assume at least a 10/100Mbps connection
+    const uint32_t bitrate = (_connected && _ip != nullptr) ? 10E6 : _baudrate;
+    return bitrate/10; // convert bits to bytes minus overhead
+};
\ No newline at end of file
diff --git a/libraries/AP_HAL_Linux/UARTDriver.h b/libraries/AP_HAL_Linux/UARTDriver.h
index d456d91db5..fa271cb08a 100644
--- a/libraries/AP_HAL_Linux/UARTDriver.h
+++ b/libraries/AP_HAL_Linux/UARTDriver.h
@@ -54,6 +54,8 @@ public:
      */
     uint64_t receive_time_constraint_us(uint16_t nbytes) override;
 
+    uint32_t bw_in_bytes_per_second() const override;
+
 private:
     AP_HAL::OwnPtr<SerialDevice> _device;
     bool _console;