3.7 ANTENNA................................................................................................................. 17
3.7.1 GSM .................................................................................................................. 17
3.7.2 WLAN ................................................................................................................ 18
3.9.1 GSM .................................................................................................................. 19
3.9.2 WLAN ................................................................................................................ 19
4.
4.2.2 INSTALLATION DISK ........................................................................................ 22
4.3 PROFILES ................................................................................................................ 22
4.4 ADVANCED SETTINGS ........................................................................................... 23
4.5 SECURITY................................................................................................................ 29
4.5.1 WEP KEYS ........................................................................................................ 29
4.5.2 VPN ................................................................................................................... 30
4.6 WLAN COMPATIBILITY............................................................................................ 32
4.7 SOFTWARE INTERFACE......................................................................................... 32
5.
AT COMMANDS .......................................................................................................... 36
5.1 INTRODUCTION ...................................................................................................... 36
5.2 AT COMMAND SYNTAX .......................................................................................... 36
5.2.2 BASIC COMMANDS .......................................................................................... 37
5.3 COMMAND LINE ...................................................................................................... 38
6.