Specifications
Chapter 8 – Network Service Commands
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 99
8.7 AT^SMOND Cell Monitoring
Description: The AT^SMOND execute command can be used to obtain status information of the service cell
and up to six neighbor cells. The advantage over other cell monitoring commands is that
AT^SMOND delivers more detailed information about the received signal strength.
Test Command: AT^SMOND=?
Response(s): OK, ERROR, +CME ERROR
Exec Command: AT^SMOND
Response(s): ^SMOND: [<sci>][, <nci>][, <TA>][, <rssiber>]
OK, ERROR, +CME ERROR
Parameter Description:
<sci>
Serving cell information (comma-separated, no cr/lf included)
<MCC>,<MNC>,<LAC>,<cell>,<BSIC>,<chann>,<RxLev>,<RxLev>Full,<RxLev>Sub,<RxQual>,<RxQual>Full,<
RxQual>Sub,<Timeslot>
If no serving cell is found, unavailable values are omitted:” ,,,,,,<RxLev>,,,0,,,0”
<nci>
Neighbor cell information for neighbor cell 1 through 6 (comma-separated, no cr/lf included)
<MCC>1,<MNC>1,<LAC>1,<cell>1,<BSIC>1,<chann>1,<RxLev>1, (these parameters repeated for neighbor
cells 2 through 6 with no CR/LF): ... <MCC>6,<MNC>6,<LAC>6,<cell>6,<BSIC>6,<chann>6,<RxLev>6
An unavailable cell appears as follows: “ ,,,,,,0”
<rssiber>
Values for RSSI and BER (comma-separated, no cr/lf included)
<RSSI>,<BER>
<MCC>
Mobile country code
3 digits, e.g. 232
000 Not decoded
<MNC>
Mobile network code
2 digits or 3 digits, e.g. 07 or 003
000 Not decoded
<LAC>
Location area code
4 hexadecimal digits, e.g. 4EED
0000 Not decoded
<cell>
Cell identifier
4 hexadecimal digits, e.g. 4EAF
0000 Not decoded
<BSIC>
Base station identity code
2 digits, e.g. 32
00 Not decoded
<chann>
ARFCN (Absolute Frequency Channel Number)
<RxLev>
Received signal level in dBm
<RxQual>
Received signal quality as defined in GSM05.08
<Timeslot>
Assigned timeslot. If mobile is in idle mode, timeslot 0 (BCCH timeslot) will be indicated.
0...8 Assigned timeslot
<TA>
Timing advance for the serving cell, in bits.
<RSSI>
Receive Level, with value 99 indicateing “not known or not detectable”
0...31 Signifies the RSSI range from -113dBm or less (“0”) to -51dBm or
greater (“31”) in steps of -2dBm (e.g. “1” = -111 dBm, “2” = -109 dBm ...,
“30” = - 53dBm)
<BER>
Bit Error rate, with value 99 indicating “not known or not detectable”
0...7 as RXQUAL values RXQUAL0 to RXQUAL7 in GSM 05.08 section 8.2.4