The CSQ signal value range is 0-31, and generally it needs to reach more than 18 to be relatively stable.
Tap Stone equipment can be used for signal query through AT
command: AT+CSQ
response: +CSQ: 21,99
OK
The CSQ signal value range is 0-31, and generally it needs to reach more than 18 to be relatively stable.
Tap Stone equipment can be used for signal query through AT
command: AT+CSQ
response: +CSQ: 21,99
OK