XT55 First ultracompact GPRS/GPS combined module (IWMXT55)

 
The XT55 is the first compact tri-band GSM/GPRS module equipped with a GPS receiver for satellite navigation. The combination of these two technologies allows seamless tracking of goods, vehicles, and persons. The new tracking module will make many new applications possible, particularly in the fields of transportation and logistics as well as security

General Caracteristics
 

• 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 EGSM 900
- 1 W for GSM 1800
- 1 W for GSM 1900

• 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

 
Mechanical Caracteristics
Fax
 

• Overall dimensions: 35 x 53 x 5.1 mm

• Weight: approx. 11 g

• Group 3, class 2

Specifications for audio
  • Tricodec
- Half rate (HR)
- Full rate (FR)
- Enhanced Full rate (EFR)
• Adaptive multi rate (AMR)

 • Hands-free operation
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

Interface
  • 80-pin board-to-board

• Multiplexer

• 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)

• Interface to external SIM

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
 
Compatibility
Specifications for SMS via GSM and GPRS
 
• AT cellular command interface
• Point to point MO and MT

• SMS cell broadcast

• Text and PDU mode
Accessories
Code
Photo
 Description
GSM antenna with magnetic base FME/F with cable 2,5 m
GSM vehicular cellular antenna FME/F with cable 2,5 m
Extension cable for GSM antenna 2.5m FME/M - FME/F
GSM antenna mini straight stylus with FME/F
GSM antenna 90° mini stylus with FME/F
GSM-GPS Antenna with SMA/M - FME/F connectors
Antenna GPS with FME/F-FME/F connectors
80 pin connector for XT55
Adapter cable for antenna with SMT/F-FME/M connectors
Adapter cable for antenna GPS with SMT/F-SMA/F connectors
Cable for antenna 10 cm SMT/F - FME/F
Connector for antenna cable SMT/M
SIM MINI SMD connector (book like) 8 pin

SIM MINI SMD connector (drawer like) 8 pin
SIM MINI SMD connector (book like) ITT - Cannon 6 pin

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