SAMUEL
2019-9-20
CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL
页
7
1.
Overview
This user guide describes the CH-M3 series wireless modem. The aim of the manual is to ease
the test, install and disposition.
Note: Though all features are documented in this manual, new features
may still be in beta stage at publication and therefore may not yet be
validated. Please refer to the Customer Release Note for complete and
detailed information regarding beta and validated features at time of
release.
1.1.
Document History
Version
Date
Comments
Author
1.00
2016-09-19
Initial Release Version.
Lei Dong
2.00
2019-03-11
Renew command presentation rules.
Samuel
2.01
2019-04-26
Update network support.
Samuel
2.10
2019-06-25
Update TTS description.
Samuel
3.00
2019-07-11
Remove ppp function.
Samuel
3.01
2019-09-10
Remove old command &w z.
Samuel
3.02
2019-09-12
Update product list.
Samuel
3.03
2019-09-20
Add USB product.
Samuel
1.2.
References
C
HONGHAN
CHM1
W
IRELESS
M
ODEM
Q
UICKSTART
E
NG
1.3.
Abbreviations
abbr.
Full name
APN
Access Point Name
DAC
Digital Analog Converter
GGSN
Gateway GPRS Support Node
GPRS
General Packet Radio Service
IP
Internet Protocol
KB
Kilobyte
MCC
Mobile Country Code
MNC
Mobile Network Codes
MS
Mobile Station
PDU
Protocol Data Unit
PLMN
Public Land Mobile Network
RSSI
Received Signal Strength Indication
SMA
Small Adapter
SMS
Short Message Services