1.RS232 WIRELESS SMS XT55 GPS Modem
2.Based on Siemens module XT55
3.SIM Application Toolkit
4.RS232 interface for GSM/GPRS

Industial RS232  GSM/GPRS/GPS MODEM

Product Description

Industrial design

Aluminum casing

Wireless access to internet

Based on Siemens module XT55

SIM Application Toolkit

RS232 interface for GSM/GPRS

RS232 interface for GPS(SiRF output)

RS232 interface for GPS(NMEA output)

RJ11 interface for voice(handset)

LED for GSM signal

• Tri-Band 900/1800/1900

• GPRS multi-slot class 10

• GPRS mobile station class B

• Compliant to GSM phase 2/2+

• Output power:

2 W for EGSM900

1 W for GSM1800

1 W for GSM1900

• Control via AT commands

(GSM 07.07 and 07.05)

• SIM application tool kit

WAP compliant

• Low power consumption

• Supply voltage range 3.3…4.8 V

• Ambient temperature –20° C

to +55° C

• Auto switch-off at +70°C

Size:103*65*28mm
Weight:170g

Accessories: AC/DC adaptor, RS232 data cable, 2 USB+RS232 data cables, GSM antenna, GPS antenna, CD

Specifications for SMS via GSM and GPRS:

• Point to point MO and MT

• SMS cell broadcast

• Text and PDU mode

Specifications for audio:

• Tricodec:

– Half rate (HR)

– Full rate (FR)

– Enhanced full rate (EFR)

• Adaptive multi rate (AMR)

• Hands-free operation

Specifications for fax:

• Group 3, class 2

Specifications for data transfer:

• GPRS class 10

• Max. 85.6 kbps (downlink)

• PBCCH support

• Coding schemes CS 1, 2, 3, 4

• CSD up to 14.4 kbps

• USSD

• V.110

• PPP-stack

• Integrated TCP/IP stack

Interfaces:

• 80-pin board-to-board

• Multiplexer

• Interface to external SIM

• Digital and analog audio interface

• AT commands via serial interface

• Serial interfaces

– 1x GSM

– 2x GPS

• 2 separate antenna connectors

for GSM/GPRS & GPS (Hirose)

Compatibility:

• AT cellular command interface

Specifications for GPS:

• Receiver 12 channel, L1 1575.42 MHz,

C/A code 1,023 MHz chip rate

• Accuracy Position 10 m CEP w/o

SA/Velocity 0.1 m/s, w/o SA/Time 1 μs

synchronized to GPS time

• DGPS accuracy 1 to 5 m, typical,

0.05 m/s, typical

• Date WGS-84

• Acquisition rate (TTFF defined at 95%

of first position localisation)

Snap start < 3 s, average

Hot start < 8 s, average

Warm start < 38 s, average

Cold start < 48 s, average

• Operating voltage 3.3 V DC ±5%

• Low power consumption ca. 200 mW

at 3.3 V

• Protocols

NMEA-0183,

RTCM SC-104,

SiRF binary

• Crystal oscillator (TCXO),

temperature compensated with

frequency stability of ±2.5 ppm

• Memory 1 MB flash

Software

• Indoor tracking with less SNR

• AGPS with Wheelticks and Gyro

• Build-in history- and alarm function

• Remote tracking