RS232 SIM908C GSM GPS SMS MODEM

Specifications

Product Description

RS232 GSM/GPRS/GPS Modem  can be used for

SMS Gateway
  Lift Monitoring
  Traffic Light Monitoring
  Remote Monitoring and Control
  Remote Meter Reading
  Facility Management
  Fire and Security Management
  Environmental Monitoring 

  Vehicle Tracking

  Vending
  Other M2M and data telemetry
 

General features:

Industrial design

Aluminum casing

Wireless access to internet

Based on Simcom module SIM

908C

850/900/1800/1900MHZ

SIM Application Toolkit

RS232 interface for GSM/GPRS

RS232 interface for GPS(NMEA)

RJ11 interface for phone

GSM antenna with 3-meter cable and magnetic stand

GPS antenna with 3-meter cable and magnetic patch

Output Power
Class 42W @ 850/900MHz
Class 11W @ 1800/1900MHz
Input voltage12V-36V DC
Input current1A-2A

Standby current: 96mA

Working current: 150-250mA
Working temperature -35 to +85 degrees

Storage temperature:-45 to +90 degrees

Size103*65*28mm
Weight170g

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

GSM/GPRS specifications:

850/900/1800/1900MHz

GPRS class 10

GPRS mobile station class B

Compliant to GSM phase 2/2+

Control via AT commands (GSM 07.07 and 07.05 and SIMCOM enhanced AT commands)

Specification for SMS via GSM and GPRS:

Point to point MO and MT

SMS cell broadcast

Text and PDU mode

Specifications for audio

Tricodec: HR, FR, EFR

Hands-free operation

Echo suppression

Specifications for data transfer

GPRS class 10

Max. 85.6kbps(downlink)

PBCCH support

Coding schemes CS1,2, 3, 4

CSD up to 14.4kbps

USSD

Non transparent mode

PPP stack

Integrated TCP/IP stack

Specifications for fax

Group 3, class 1.

Specifications for GPS:

Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023MHz chip rate

Accuracy Position 10 m CEP,

    without SA/Velocity 0.1m/s,

    without SA/Time 1μs synchronized to GPS time

DGPS accuracy 1 to 5m, typical, 0.05m/s, typical

Date WGS-84

Acquisition rate

    (TTFF defined at 95% of first position local station)

    Hot start < 1s, average, open sky

    Warm start < 38s, average, open sky

    Cold start < 42s, average, open sky

Operating voltage 3.3V DC ±5%

Low power consumption about 200mW at 3.3V

Protocols

     NMEA-0183

     SiRF binary

     RTCM SC-104

Crystal oscillator (TCXO), temperature compensated with frequency stability of ±0.5ppm

Memory: On-chip 4MB FLASH and 1 MB SRAM