ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
35
www.iotrouter.com
3.8.10.
Signal strength query function
Function description
:
query the signal strength of the current environment of the device
Default
:
all 0x00
Signal strength function register address:
44379~44398(0x111A~0x112D)
Support function code: 03 (read holding register)
Inquiry
:
55 03 11 1A 00 14 6C EA
Query response
:
55 03 28 22 4C 54 45 22 2C 35 38 2C 2D 38 36 2C 31 35 35 2C 2D 39 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 CE 9D
Data area ASCII
:
"LTE",58,-86,155,-9
CHART16 16 Signal strength parameters (1)
DATA
Parameter
Description
"LTE"
System
“NOSERVICE” NOSERVICE mode
“GSM” GSM/GPRS/EDGE mode
“WCDMA” WCDMA/HSDPA/HSPA mode
“TDSCDMA” TDSCDMA mode
“LTE” LTE mode
“CDMA” CDMA mode
“EVDO” EV-DO/eHRPD mode
“CDMA-EVDO” CDMA/EV-DO(eHRPD) mode
58,-86,155,-9
Value
Value 1
,
Value 2
,
Value 3
,
Value 4
,
Value 5