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Smart Machine Smart Decision

SIM800 Series_AT Command Manual_V1.09

2015-08-03

Response

+CSQ: <rssi>,<ber>

If error is related to ME functionality:

+CME ERROR: <err>

Execution Command returns received signal strength indication <rssi>

and channel bit error rate <ber> from the ME. Test Command returns

values supported by the TA.

Execution

Command

AT+CSQ

Parameters

<rssi>

-115 dBm or less

-111 dBm

2...30

-110... -54 dBm

-52 dBm or greater

not known or not detectable

<ber>

(in percent):

0...7

As RXQUAL values in the table in GSM 05.08 [20]

subclause 7.2.4

Not known or not detectable

Parameter Saving

Mode

NO_SAVE

Max

Response

Time

Reference

3GPP TS 27.007

[13]

Note

3.2.36 AT+VTD

Tone Duration

AT+VTD

Tone Duration

Response

+VTD: (list of supported <n>s)

Test Command

AT+VTD=?

Parameters

See Write Command

Response

+VTD: <n>

Read Command

AT+VTD?

Parameters

SIM800 数据表(PDF) 94 Page - SIMCom

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SIM800 数据表(PDF) 94 Page - SIMCom

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