User's Manual

A8000 User Guide
Confidential
UA8000_User_Guide_V1.0 Page 5 of 22 2009/05/13
1．Introduction
1.1 Overview
LONGSUNG A8000 is a dual band GSM/GPRS module that works on 850MHz/1900MHz.
Powered by Infineon PMB7880 chipset, A8000 features GPRS multi-slot class 10 and supports the
GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.
With power saving technique, A8000 can minimize current consumption to as low as 5.5mA in
SLEEP mode, and is able to wake up on demand and to resume power saving automatically if no
activity is required.
For battery powered applications, MC55/56 features a charging control which can be used to charge
NiCd, Ni-Mh, Li-Polymer and Li-ON batteries. The charging circuit must be implemented outside
the module on the application platform.
1.2 A8000 Key Features
The GSM module A8000 supports audio, SMS, and data transfer. Table1-1 lists the features of
A8000.
Table1-1 A8000 key features
Feature Implementation
Power supply Single supply voltage 3.5V – 4.2V
Power saving Typical power consumption in SLEEP mode to 5.5mA
Frequency bands • band
850MHz, 1900MHz
• Compliant to GSM Phase 2/2+
GPRS class Class 10
Temperature range • Normal operation: -20°C to +55°C
• Restricted operation: -30°C to -20°C and +55°C to +80°C
• Storage temperature -40°C to +80°C
SMS • MT, MO, CB, Text and PDU mode
• SMS storage: SIM card
SIM interface Supported SIM card: 1.8V ,3V