This is a windows application that reads with SNMP the RSSI and says it. It displays it also with big letters. You enter the IP address or the hostname and the community string and press  the button Refresh registrations. Then you choose the registration that you want. You can also select the language that you prefer.When you are ready you press the Start button. This button it is now Stop. Then you hear the RSSI and it is displayed with big letters. You can terminate with the Stop button.