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Quad-band GSM Add-on Module, UEXT US$29.93

Quad-band GSM Add-on Module, UEXT

MOD-GSM is designed for adding remote monitoring and control via GSM cellular network. With this module, any board that has a UEXT connector (see below) can give you access to its features via the GSM network. MOD-GSM contains a quad-band (850/900/1800/1900 MHz) SIM340DZ GSM GPRS module, which covers most GSM networks around the world. The GSM antenna is built into the board, so there's no need for an expensive external GSM antenna.

This module can work in stand-alone mode also, but only when the SIM card is without PIN code. However, in stand-alone mode, MOD-GSM doesn't offer much. It can receive information via GSM, but if you want to do anything with this information, you will need to connect it to an appropriate controller board with UEXT. Choose the controller board based on the needs of your application.

UEXT Connector

The UEXT connector provides a solderless way to connect this GSM module to a system with a microcontroller. There are dozens of microcontroller systems and development boards that can connect to this module via UEXT using the supplied cable. Click on the architectures below for lists of compatible boards:

Quad-band GSM Module Features

  • GSM/GPRS quad-band module (850/900/1800/1900 MHz) with built-in GSM cellular antenna
  • Connector for 3.7V lithium-ion backup battery (not included)
  • Connector for battery charger
  • External power connector
  • SIM-card holder
  • Status LED
  • On-GSM module temperature sensor
  • UEXT connector and cable for attaching module to control board
  • Power button
  • On-board DC-DC converter for stand-alone mode and battery recharge
  • PCB: FR-4, 1 mm (0.039"), solder mask, silkscreen component print
  • Dimensions: 79.2 57.6 mm (3.1182 2.268")

This version of the board does not come with a battery. You can order this board with a 3.7V 1200 mAh lithium-ion battery see MOD-GSM-BAT.

Quad-band GSM Module Resources

Note: The MOD-GSM is not FCC approved. The GSM modem itself has FCC approval, but the entire board does not. If you're in the U.S., this means you can only use this board for evaluation and your own development. If you want to sell this unit to end users, you will have to get your entire application FCC approved before doing so.

To use the GSM modem function, you need to subscribe to or get a pre-paid card from a mobile phone service provider that has a GSM network (in the U.S., AT&T or T-Mobile). The GSM SIM card needs to be inserted into the GSM modem's SIM card holder.

This product was added to our catalog on Friday 25 March, 2011.


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