BASIC OPERATIONS
■Data bits: 8
■Parity: none
■Stop bit: 1
■Flow control: hardware
To confirm you are communicating with the device:
■Type AT and press Enter.
If the device responds with OK, you are communicating with the device.
Verifying Signal Strength
To verify the device signal strength, enter:
AT+CSQ
The command indicates signal quality, in the form: +CSQ: <rssi>,<ber>
Where:
<rssi> | Received signal strength indication. |
0 | |
1 | |
| |
31 | |
99 | Not known or not detectable |
<ber> | Bit error rate, in percent |
0 | Less than 0.2% |
1 | 0.2% to 0.4% |
2 | 0.4% to 0.8% |
3 | 0.8% to 1.6% |
4 | 1.6% to 3.2% |
5 | 3.2% to 6.4% |
6 | 6.4% to 12.8% |
7 | More than 12.8% |
99 | Not known or not detectable |
QuickCarrierTM | 15 |
