User's Manual
Table Of Contents
- USR-G786-G User Manual
- 1.Introduction
- 2.Get Started
- 3.Utility Configuration
- 4.Serial Port
- 5.Selecting an Operating Mode
- 6.General Function
- 7.AT Command Set
- 7.1.AT Command Examples
- 7.2.AT Command Set
- 7.2.1.AT
- 7.2.2.AT+H
- 7.2.3.AT+Z
- 7.2.4.AT+E
- 7.2.5.AT+ENTM
- 7.2.6.AT+WKMOD
- 7.2.7.AT+CMDPW
- 7.2.8.AT+STMSG
- 7.2.9.AT+RSTIM
- 7.2.10.AT+CSQ
- 7.2.11.AT+SYSINFO
- 7.2.12.AT+UCPIN
- 7.2.13.AT+RELD
- 7.2.14.AT+CLEAR
- 7.2.15.AT+CFGTF
- 7.2.16.AT+VER
- 7.2.17.AT+SN
- 7.2.18.AT+ICCID
- 7.2.19.AT+IMEI
- 7.2.20.AT+CIP
- 7.2.21.AT+LBS
- 7.2.22.AT+CCLK
- 7.2.23.AT+PING
- 7.2.24.AT+UART
- 8.Contact Us
- 9.Disclaimer
- 10.Update History
USR-G786-G User Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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Format：
Query current parameter
AT+CSQ{CR} or AT+CSQ?{CR}
{CR}{LF}+CSQ: rssi {CR}{LF}
Parameter：
rssi： Received signal strength information.
Figure 2 Mapping relation
Number
Implication
0
Less than -113 dBm
1
-111 dBm
2....31
-109... -53
dBm
99
Unknown or unmeasured
7.2.11. AT+SYSINFO
Function：Query module ’s network information
Format:
Query current parameter:
AT+SYSINFO{CR} or AT+SYSINFO?{CR}
{CR}{LF}+SYSINFO: state,srv_domain ,roam_status,sys_mode,sim_state{CR}{LF}
Parameter
state：current network status
Figure 3 Sever status list
Number
Implication
0
No service
1
Restricted service
2
Network
service
3
Restricted regional services
4
Power saving state
srv_domain：business domain
Figure 4 Business domain list
Number
Implication
0
No service
1
Only CS serv
ice
2
Only PS serv
ice
3
PS+CS service
4
CS,PS is not registered and is in the search state
roam_status： Roaming state
0： Non-roaming state
1： Roaming state
sys_mode： System mode
Figure 5 System mode list
Number
Implication
0
No service