Alarm monitoring

2G GSM/GPRS Alarm communicator

New World Security
GSM x31-3b


  • Description
  • More
  • Specifications
  • Related Products


Easy simple installation and programming!

This Plug and play GPRS communicator x31-3b has been developed, through a growing demand to transmit alarm panels Ademco Contact ID protocols to the monitoring stations (CMS) IP receivers by GPRS/GSM network in the event of PSTN line loss or failure.

GSM/GPRS -x31-3b communicator is compatible with control panels from any manufacturer which has PSTN telephone communicator and work with Ademco Contact ID protocol











User manual



            Video User manual





Power Supply

12V 1A

Current Used in Standby Mode


Current Used in transmitting mode


GSM Modem Frequency

Quad-Band GSM/GPRS/ 850/900/1800/1900MHz


Voice Calls, SMS, GPRS

Supported Protocols

Ademco Contact ID, SIA IP, SIA IP encrypted, Enigma2

Administrator number


ALARM (Panic Button) Input type

NC (normally closed)

TAMPER Input type

NC (normally closed)

GSM Fault (FLT) Output type

NC (normally closed)

Allowable Input Values

0-12V  0.1-0.3mA

Generated Phone Line Voltage(Tone)


Dial Tone Frequency


Phone Line Active resistance

150 Ω

Phone line Reactive resistance

600 Ω

Operating temperature range

-20..+55o C

GPRS communicator PSB dimensions

140 x 57 x 20mm

PCB weight


12V1A power supply

  • Description

Metal enclosure with 12V 1A power supply

Power supply:  AC230 / 0.13A
Power max:       P=7w max.
Power Output:  DC 12.8V - 13.8V/ 0.5A
Operating:          -10  +40 C degree


GSM Antenna

  • Description
The MiniMag is a compact GSM and 3G magnetic antenna supporting 850/900/1800/1900 and 2100 MHz i.e. celullar, GSM and 3G frequencies. Designed for magnetic mount, the MiniMag is an effective solution for transportation, telemetry, monitoring and variety of M2M (machine to machine) applications. It comes with 0.4M cable as standard and SMA  connector.

2G GSM/GPRS Assembled Communicator with Power supply

New World Security
GSM x31-3bPS

Ready, assembled plug and play

  • Description
  • More
  • Specifications

Ready, assembled plug and play

No PC, No extra tools, No big Installer books...

Easy and simple installation and programming! Just few Text SMS

  2G GSM-x31-3BPS communicator designed for alarm monitoring stations to transmit Alarm panel Contact ID, SIA, SIA encrypted, Enigma2 protocols trough GSM or GPRS network.

The communicator replaces PSTN line and transmits alarm panels alarm protocols to monitoring station if phone line is disconnected or unavailable.




  • Back up and primary GSM/GPRS alarm communication
  • Simple installation and programming
  • 2 open collector outputs  for, alarm panel remote ARM/DISARM support via text SMS
  • Panic Key button Input
  • Supervision heartbeats (pooling) via GPRS
  • Supported protocols:   Contact ID, SIA, SIA encrypted, Enigma2
  • 128-bit AES encryption via GPRS
  • Remote programming through few  text SMS
  • Quad-Band: 850 MHz, 1900 MHz, 900 MHz and 1800 MHz
  • Compatible with most monitoring station receivers
  • GSM Signal strength and trouble display
  • Compatible with most control panels that communicate using the Contact ID format
  • Uses GPRS data channel for high-speed, reliable and low-cost communications
  • Low current draw allows powering the unit from most alarm panels


















User manual







  • Specifications Input Voltage  12 Vdc
  • Standby current 40 mA   max
  • Maximum alarm (Transmitting) current. 200 m
  • Outputs  2 open collector, 100 mA
  • Inputs 1 Panic button Key
  • Operating Frequency  900/1800 Mhz or 850/1900 Mhz
  • Operating temperature -10 to 40° C
  • Dimensions (PCB only)  60 (W) x 140 (H) mm
  • Dimensions (casing without antenna)..270 (W) x 160 (H) x 60 (D) mm
  • Weight with case 2.7k g