
Contents
8 Universal IP AT Commands Reference Guide
#PPPMODE – Set TCP/IP Behavior .............................................................................................. 87
#PPPMYIP – Set IP Address When Using PPP........................................................................... 87
#PPPPEERIP – Set IP Address for Remote PPP ........................................................................ 87
#PPPSERVUN – Set User Name for Remote PPP Client .......................................................... 88
#PPPSERVPW – Set Remote PPP Client Password ................................................................. 88
#APNPW – Set Access Point Name Password ............................................................................ 88
#APNSERV – Set Access Point Name .......................................................................................... 88
#APNUN – Set Access Point User Name ..................................................................................... 88
#GPRSCID – Set PDP Context Identifier ...................................................................................... 89
#GPRSMODE – Activate Switching Between GSM and GPRS ................................................ 89
Display Commands ................................................................................................................................. 89
#DISPLAYIP – Display IP Addresses ............................................................................................ 89
#VPPP – Display PPP Parameters ................................................................................................ 89
#VPHY – Display Physical Parameters ......................................................................................... 90
Part 5 – GPIO AT Commands 91
Chapter 15 – GPIO AT Commands ............................................................................................................. 92
About GPIO .............................................................................................................................................. 92
#GPIO – Enable/Disable and Configure External GPIO Driven Events ................................... 92
#GPIOR – Read the Current Register Status of the Specified GPIO Pin ................................ 94
#GPIOTRIGGER – Configure the GPIO pin and trigger type .................................................... 94
Part 6 – AT Commands for GPS-Enabled Device 95
Chapter 16 – GPS Device AT Commands ................................................................................................. 96
#GPSSERV – Set GPS Host Server Address .............................................................................. 96
#GPSPORT – Set GPS Host Port .................................................................................................. 96
#GPSPROTO – Set GPS Host Protocol ........................................................................................ 96
#GPSPREFIX – Set GPS Message Prefix .................................................................................... 96
#GPSURAIS – Set GPS Unique Remote Asset Identification String ........................................ 97
#GPSINTERVAL – Set GPS Server Transmission Interval ....................................................... 97
#GPSPW – Set GPS Host Login Password .................................................................................. 97
#GPSGPGGA – Enable/Disable GPGGA Message .................................................................... 97
#GPSGPGLL – Enable/Disable GPGLL Message ....................................................................... 98
#GPSGPGSA – Enable/Disable GPGSA Message ..................................................................... 98
#GPSGPGSV – Enable/Disable GPGSV Message ..................................................................... 98
#GPSGPRMC – Enable/Disable GPRMC Message ................................................................... 98
#GPSGPVTG – Enable/Disable GPVTG Message ..................................................................... 99
#GPSINTERVALLOC – GPS Local Transmission Interval ......................................................... 99
#GPSGETMESSAGE – Get Queued GPS Message .................................................................. 99
GPS Message Syntax ........................................................................................................................... 100
GPS Message Examples ...................................................................................................................... 101
GPS Configuration Examples .............................................................................................................. 101
Application Note – GPS NMEA Messages ........................................................................................ 102
Introduction ....................................................................................................................................... 102
NMEA Protocol Overview .............................................................................................................. 102
SUPPORTED MESSAGE LIST .................................................................................................... 102
NMEA MESSAGES ........................................................................................................................ 103
GGA – Global Positioning System Fix Data ................................................................................ 103
GLL – Latitude/Longitude ............................................................................................................... 104
GSA – GNSS DOP and Active Satellites..................................................................................... 104
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