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GSM GPRS QUAD-BAND Modem for 850 / 900 / 1800 / 1900 MHz

We are pleased to present the new fully featured SIMCOM SIM 900B GSM/GPRS based Modem with most of the functions taken care on board .This PCB is thoroughly tested and qualified at Pulraj Electronics Pvt Ltd, Mumbai and ready to serve the customers.

This GSM/GPRS modem is a highly flexible plug and play GSM 850 / 900 / 1800 / 1900 modem for direct and easy integration with RS232. Voltage range for the power supply and audio interface make this device perfect solution for system integrators and single user. Others features are Voice, Data/Fax, SMS, GPRS, integrated TCP/IP stack and RTC.

GSM MODEM CHARACTERISTICS:

  • Quad-Band GSM GPRS modem (850 / 900/1800 / 1900 MHz )
  • Designed for GPRS, data, fax, SMS and voice applications
  • GPRS multi-slot class 10/8
  • GPRS mobile station class B
  • Fully compliant with GSM Phase 2/2+ specifications
  • - Class 4 (2 W 850/900 MHz)
  • - Class 1 (1 W 1800/1900 MHz)
  • Built-in TCP/IP Protocol
  • Built-in RTC in the module
  • Control via AT Commands (GSM 07.07.07.05 and SIMCOM enhanced AT commands)
  • Low power consumption @ 1.5mA (Sleep mode)

SPECIFICATIONS FOR DATA:

  • GPRS class 10: max 85.6 kbps (downlink)
  • PBCCH Support
  • Coding schemes CS 1,2,3,4
  • CDS up to 14.4 kbps
  • USSD
  • Non transparent mode
  • PPP – stack

SPECIFICATIONS FOR FAX:

  • Group 3, Class 1

SPECIFICATIONS FOR SMS VIA GSM & GPRS:

  • Point-to-point MO & MT
  • SMS cell broadcast
  • Text & PDU mode

SPECIFICATIONS FOR VOICE:

  • Tricodec
  • - Half rate (HR)
  • - Full rate (FR)
  • - Enhanced Full rate ( EFR)
  • Hands-free operation (Echo Suppression)
  • AMR
  • - Half rate
  • - Full rate

POWER SUPPLY:

Use AC – DC Power Adaptor with following ratings:

  • Input AC Voltage: 230V
  • Output DC Voltage : 5V to 24V
  • Output DC Current : 1A for SMS and 1.7 A for GPRS
  • Polarity : Centre +ve & Outside –ve
  • Hands-free operation (Echo Suppression)
  • AMR
  • - Half rate
  • - Full rate

GENERAL CHARACTERISTICS:

  • Input voltage: 5V to 24V
  • Input current: 3mA in idle mode(only module)
  • Temperature range: Operating -40 to +85 degree Celsius

INTERFACES:

  • RS-232 through D-TYPE 9 pin connector
  • Serial port baud rate 1200 to 115200 bps
  • RJ11 voice connector
  • Power supply through DC jacket
  • SMA antenna connector
  • Toggle spring/Flap Opening type SIM holder
  • LED status of GSM / GPRS module

APPROVALS ON SIM900B MODULE (ON GOING)

  • FTA, FCC, CE, PTCRB, GCF, IC, ICASA, TA