Dolphin MCC6 Specifications download pdf (Page 170)

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101

MC55 AT Command Set

8.5 AT+CSQ

MC55_ATC_V03.03 Page 170 of 459 9/9/05

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8.5 AT+CSQ Signal quality

The AT+CSQ execute command indicates the received signal strength <rssi> and the channel bit error rate

<ber>.

Syntax

Parameter Description

0 -113 dBm or less

1 -111 dBm

2..30 -109... -53 dBm

31 -51 dBm or greater

99 not known or not detectable

To check the bit error rate there must be a call in progress to obtain realistic values. If no call is set up, there is

no BER to be determined. In this case the indicated value may be 0 or 99, depending on the SIM card.

0..7 as RXQUAL values in the table in GSM 05.08 section 8.2.4.

99 not known or not detectable

Note

• After using network related commands such as AT+CCWA, AT+CCFC, AT+CLCK, users are advised to wait 3s

before entering AT+CSQ. This is recommended to be sure that any network access required for the preceding

command has finished.

Test Command

AT+CSQ=?

Response(s)

+CSQ: (list of supported<rssi>s), (list of supported<ber>s)

Exec Command

AT+CSQ

Response(s)

+CSQ: <rssi>,<ber>

Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last

GSM 07.07 ! % % % % % ! ! !

<rssi>

(num)

<ber>

(num)

1 2 ... 165 166 167 168 169 170 171 172 173 174 175 ... 458 459

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