
CAI JINYONG
2016-5-27
CHONGHAN CH-M1 WIRELESS MODEM USER MANUAL
页5
Contents
Important Notice.................................................................................................................................3
Safety and Hazards.............................................................................................................................. 3
Limitations of Liability......................................................................................................................... 3
Copyright............................................................................................................................................. 4
Trademarks.......................................................................................................................................... 4
Contact Information............................................................................................................................ 4
Contents.............................................................................................................................................. 5
1. Overview..................................................................................................................................... 7
1.1. Document History........................................................................................................... 7
1.2. References.......................................................................................................................8
1.3. Abbreviations 缩写......................................................................................................... 8
1.4. Producs List..................................................................................................................... 8
1.5. Presentation Rules.......................................................................................................... 9
1.6. AT Command Syntax....................................................................................................... 9
2. Introduction.............................................................................................................................. 10
2.1. Features.........................................................................................................................10
2.2. Application.................................................................................................................... 10
3. Device Connection.................................................................................................................... 11
4. Commonest Command............................................................................................................. 14
5. SMS Function............................................................................................................................ 14
5.1. GSM/GPRS SMS Function............................................................................................. 14
5.1.1. GSM/GPRS Query SMS Center..........................................................................14
5.1.2. GSM/GPRS ASCII Message................................................................................ 14
5.1.3. GSM/GPRS PDU Message................................................................................. 15
5.1.4. GSM/GPRS Message Relate Command............................................................ 15
5.1.5. GSM/GPRS Receive SMS................................................................................... 15
5.2. CDMA SMS Function..................................................................................................... 16
5.2.1. CDMA Send ASCII SMS......................................................................................16
5.2.2. CDMA Send Unicode SMS.................................................................................16
5.2.3. CDMA Commonest SMS Command................................................................. 16
5.2.4. CDMA Receive SMS...........................................................................................16
6. Dial Up....................................................................................................................................... 17
6.1. Phone and Modem Option........................................................................................... 17
6.2. Setting the 19200 Modem............................................................................................20
6.3. Add Connection.............................................................................................................23
6.4. Dial Up...........................................................................................................................29
6.5. APN/VPDN Setting........................................................................................................ 30
6.5.1. GPRS APN Setting..............................................................................................30
6.5.2. VPDN Setting.....................................................................................................31
7. CSD............................................................................................................................................ 31
7.1. Relate Command...........................................................................................................31