Installation Manual

GCT LTE Module Software Development Guide
Version V2.2
Aquila Confidential
INDEX
1 Overview ............................................................................................................................................. 3
1.1 Overview ............................................................................................................................ 3
1.2 Revision history ................................................................................................................. 3
2 Software Framework ........................................................................................................................ 4
2.1 Schematic software framework ...................................................................................... 4
2.2 Explain ................................................................................................................................ 4
2.3 Modle USB mode .............................................................................................................. 5
2.4 Drive loading ...................................................................................................................... 5
3 Host Side VLAN Construction ....................................................................................................... 7
3.1 VLAN tag of GCT module ................................................................................................ 7
3.2 Introduction of network card ............................................................................................ 7
3.3 How to establish network communication ..................................................................... 7
4 Debugging Information Output ................................................................................................... 10
4.1 DM tools ........................................................................................................................... 10
4.2 Module log ....................................................................................................................... 10
5 Common AT Command Description .......................................................................................... 13
5.1 Check attach status ........................................................................................................ 14
5.2 Special status check ...................................................................................................... 14
5.3 PDN config ....................................................................................................................... 14
6 Possible Problem Description .................................................................................................... 15
7 AT Commands Description .......................................................................................................... 16
7.1 System at commands ......................................................................................................... 16
7.1.1 AT%GIMEISV .................................................................................................................. 16
7.1.2 AT%GPDNTYPE ............................................................................................................ 17
7.1.3 AT%GFREQRNG ........................................................................................................... 18
7.1.4 AT%GLOCKCELL .......................................................................................................... 18
7.1.5 AT%GLOCKSCELL ........................................................................................................ 19
7.1.6 AT%SYSCMD ................................................................................................................. 19
7.1.7 AT%GRRCRINFO .......................................................................................................... 20
7.2 Dual sim at commands ...................................................................................................... 22
7.3 GPS at commands ............................................................................................................. 22