5.3.1.5 Get Signal Strength (M) / (M,<hex16>)

Format: M / M,<hex16>

Use command M to get the signal strength of the last communication with the peer device. Use the signal strength to estimate the distance between the device and its remote peer. In the case of multi-link connections, this command accepts an optional parameter to get signal strength for a connection with a particular peer device. The optional parameter expected in this scenario is the connection handle for the particular connection.

The return value of command M is the signal strength in dBm.

Example: M

// Check the signal strength of the last communication with peer device

M,0071 // Check the signal strength with the device with connection handle 0071
Response: RSSI // Signal strength reading
Err // Not connected