This is particularly useful for debugging connectivity issues with GSM and other cellular modems.
| CSQ Value | RSSI (dBm) | Description |
|---|---|---|
| 0 | -113 dBm or less | No signal |
| 1-2 | -111 dBm to -109 dBm | Very poor signal |
| 3-9 | -107 dBm to -93 dBm | Poor signal |
| 10-14 | -91 dBm to -83 dBm | Fair signal |
| 15-19 | -81 dBm to -73 dBm | Good signal |
| 20-30 | -71 dBm to -53 dBm | Very good signal |
| 31 | -51 dBm or more | Excellent signal |