At+Csq Signal Quality Report - Quectel EC25 Command Manual

6.3. AT+CSQ Signal Quality Report

The command indicates the received signal strength <rssi> and the channel bit error rate <ber>.
AT+CSQ Signal Quality Report
Test Command
AT+CSQ=?
Execution Command
AT+CSQ
Maximum Response Time
Reference
3GPP TS 27.007
Parameter
<rssi> 0
1
2...30
31
99
100
101
102...190
191
199
100~199
<ber> Channel bit error rate (in percent)
0...7
99
EC25&EC21_AT_Commands_Manual
Response
The Test Command returns values supported by the TA.
+CSQ: (list of supported <rssi>s),(list of supported <ber>s)
OK
Response
The Execution Command returns received signal strength
indication <rssi> and channel bit error rate <ber> from the
ME.
+CSQ: <rssi>,<ber>
OK
+CME ERROR: <err>
300ms
-113dBm or less
-111dBm
-109dBm... -53dBm
-51dBm or greater
Not known or not detectable
-116dBm or less
-115dBm
-114dBm...-26dBm
-25dBm or greater
Not known or not detectable
Extended to be used in TD-SCDMA indicating received signal code
power (RSCP)
As RXQUAL values in the table in 3GPP TS 45.008 subclause 8.2.4
Not known or not detectable
LTE Module Series
EC25&EC21 AT Commands Manual
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