HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Status Control Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
174
13.2 ^RSSI–Indicate RSSI Change
13.2.1
Command Syntax
Command
Possible response(s)
^RSSI
<CR><LF>^RSSI: <rssi><CR><LF>
<CR><LF>OK<CR><LF>
<CR><LF>^RSSI:<rssi><CR><LF>
13.2.2
Description
This command returns received signal strength indication. The unit is dBm.
Unsolicited Result Code:
When the change of RSSI is more than 5dBm, the MS will report this indication to the
TE.
13.2.3
Defined Values
<rssi>: strength of the receiving signal. The values are defined as follows:
0: Equals to or less than
–113 dBm
1:
–111 dBm
2
–30: –109 to –53 dBm
31: Equals to or higher than -
–51 dBm
99: Unknown or immeasurable.
13.3 ^BAR–Query RSSI Level
13.3.1
Command Syntax
Command
Possible response(s)
^BAR
<CR><LF>^BAR: <uiPercent><CR><LF>
<CR><LF>OK<CR><LF>
^BAR=?
<CR><LF>^BAR:(list of supported <uiPercent>s)<CR><LF>
<CR><LF>OK<CR><LF>
13.3.2
Description
This command is used to query the signal intensity.