User's Manual

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Table Of Contents

TECHNICAL MANUAL

Telit GM862-GPS

Quad Band GPS Data Terminal Module

Pag.19 of 79

Rev. 0

3.7 GM862-GPS Data Terminal System

3.7.1 User Interface

The following features of GM862-GPS Data Terminal System user interface are managed

by AT commands specified on the GSM 07.07 and 07.05 specifications and listed in the

following.

3.7.2 Speech Coding

The vocoder of Telit GM862-GPS Data Terminal System supports the following rates:

• Half Rate.

• Full rate,

• Enhanced Full Rate;

3.7.3 SMS

The Telit GM862-GPS Data Terminal System supports the following SMS types:

• *Mobile Terminated (MT) class 0 – 2 with signaling of new incoming SMS, SIM full,

SMS read

• Mobile Originated class 0 – 3 with writing, memorize in SIM and sending

• *Cell Broadcast compatible with CB DRX with signaling of new incoming SMS.

3.7.4 Real Time Clock and Alarm

The Telit GM862-GPS module supports the Real Time Clock and Alarm functions through

AT commands; furthermore an alarm output pin (GPIO6) can be configured to indicate the

alarm with a hardware line output.

3.7.5 Data/fax transmission

The Telit GM862-GPS Data Terminal System supports:

• Packed Data transfer GPRS Class B, Multislot Class 10.

• Data transmission according to the GSM 07.07, 07.05

• CSD up to 14.4 Kbps

• Fax service, Class 1 Group 3

3.7.6 Local security management

With lock of Subscriber Identity module (SIM), and security code request at power–up.

3.7.7 Call control

Call cost control.

3.7.8 Phonebook

Function available to store the telephone number in SIM memory.

Capability depends on SIM version/memory.

3.7.9 Characters management

Availability of lowercase, uppercase and IRA characters. (international reference alphabet)

In SMS PDU mode all character set are supported.

3.7.10 SIM related functions

Activation/deactivation of the numbers stored in phone book FDN, ADN and PINs.

Extension at the PIN2 for the PUK2 insertion capability for lock condition.

3.7.11 Call status indication

By AT commands.

3.7.12 Indication of network service availability

By AT commands and LED indication on dedicated output.