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Enfora Enabler II-G Assisted GPS
Modem Integration Guide
4. Introduction
4.1. Product Overview
Enfora Enabler II-G A-GPS modem is a compact, wireless OEM module that utilizes the Global
System for Mobile Communications (GSM) and GPRS (General Packet Radio Services)
international communications standard to provide two-way wireless capabilities via GSM services.
The modem also includes an integrated Global Positioning System (GPS) receiver that can
provide Assisted GPS functionality for enhanced GPS location performance. The Enfora Enabler
II-G A-GPS module is a fully Type-approved GSM/GPRS device, enabling application-specific,
two-way communication and control along with GPS location capability. The Enfora Enabler II-G
A-GPS module is available in both triple and quad band versions.
The small size of the Enfora Enabler II-G A-GPS module allows it to be integrated easily into the
application and packaging.
4.2. Key Features of the Assisted GPS Module
The following table summarizes the main features of the Enfora Enabler II-G Radio Module.
Data input/output interface 60 position
Primary serial port V.24 protocol, 3V levels
Secondary serial port V.24 protocol, 3V levels
Voice Supports four vocoder modes: full-rate (FR),
enhanced full-rate (EFR), half-rate (HR), and
adaptive multi-rate (AMR)
Antenna Interface ultra Miniature Coaxial Interconnect
Command protocol Enfora Packet API, GSM AT command set
Subscriber Identification Module
(SIM)
Optional 1.8/3 V mini-SIM carrier and interface on
board
Interface
Optional remote SIM Accessible via the 60-pin connector
Electrical power 3.3 to 4.5 Vdc Power
Peak currents and average
power dissipation
Refer to the Operating Power table in the
Technical Specifications for peak currents and
average power dissipation for various modes of
operation.
Frequency bands EGSM 900, GSM1800, GSM 850 and GSM 1900
capability.
Radio Features
GSM/GPRS features supported Provides for all GSM/GPRS authentication,
encryption, and frequency hopping algorithms.
GPRS Coding Schemes CS1-CS4 supported.
Multi-Slot Class 10 (4RX/2TX, Max 5 Slots).
Regulatory Agency approvals
• GCF Type Approval
• PTCRB Type Approval
• FCC Certification
• RTTE
• CE (European Community Certification)
• IC (Industry Canada) Approval
MLG0208PB001 8 Version1.01 – 10/3/2006