Mace HydroMace XCi, Product Manual, Page: 73 / 270

AT+ Com-
mand Description
Enter the AT+command "
AT+CSQ
" and click “
Send
”
The response returned has the following format:
+CSQ: <rssi>,<ber> with:
• <rssi> = received signal strength indication,
• <ber> = channel bit error rate.
Verify the <rssi> value returned using the values below:
Value of received signal strength indication (<rssi>)
0 - 10 Insufficient
11- 31 Sufficient
32- 98 Not defined
99 No measure available
AT+CREG? Used to verify the registration on the network
Enter the AT+command " AT+CREG ?" and click “ Send ”
The format of the returned response is as follows:
+CREG: <mode>,<stat> with:
• <mode> = unsolicited registration message configuration,
• <stat> = registration state.
Verify the state of registration according to the returned value:
+CREG: 0,0 Not registered, no registration attempted
+CREG: 0,2 Not registered, registration attempted
+CREG: 0,1 Yes registered, home network
+CREG: 0.5 Yes registered, roaming
NOTE: If a registration is not successful then the cell network
provider does not have coverage in this area or the modem is
set to the incorrect band for your network provider
AT+COPS=? Forces the modem to initiate a "network scan" listing the networks in an area.
MACE XCi User Manual - 73 -