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GSM-TMM Simple SMS Module


  • SMS Send on Power Up
  • 230V AC and 12VDC/24VADC versions available
  • Simple programming
  • Supporting LTE-M, NB-IOT, 2G
  • LED status indication

Product description

Simple compact SMS device that sends a single SMS to 1-5 recipients on power up, with or without confirmation.


The GSM-TMM (Trigger Message Module) can be wired in series or parallel with any powered device, such as beacon, sounders or switched output.

The unit can be programmed via USB (no external power required for programming)


Standard micro SIM, SMA antenna connection.



Part numbers

Parts Price Supply voltage Current consumption
10..30V dc; 24V ac ±10% 12V-170mA; 24V-85mA; 24VAC ~210mA
85 -264V AC 10 mA @ 230V ac


Conta-Clip GSM-TMM Simple  SMS Module

GSM-TMM, Auto Send SMS Module, 10…30V dc, 24V ac

Technical data

General Data

Number of inputs 1
Supply voltage 10..30V dc; 24V ac ±10%
Current consumption 12V-170mA; 24V-85mA; 24VAC ~210mA
Mounting Direct mount
Electromagnetic compatibility EN55011, EN61326-1
Operating temperature from -30 °C
Operating temperature to 70 °C


Length 106 mm
Width 54 mm
Height 39 mm
Weight 147 g


Connection type Pluggable
Cross section single wire from 0,2 mm²
Cross section single wire to 2,5 mm²
Stripping length 6 mm


2G Quad-band GSM bands: 850, 900, 1800 and 1900 MHz
3G LTE CAT-M: B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26/B27/B28/B66/B85
SIM card Nano-SIM
Antenna GSM 50 Ohm, SMA-plug

Additional Data

DIN-VDE Spec Low Voltage Directive (LVD) 2014/35/EU, according requirements of EN 62477-1 Directive 2014/30/EU, in compliance with EN 55011 and EN 61326-1, RED 2014/53/EU
IP class IP20
Pack size 1
Country of origin NL
Tariff code 85176990

Technical illustrations

  • GSM-RLD with Optional angled antenna

    GSM-RLD with Optional angled antenna

  • GSM-RLD with optional strip antenna

    GSM-RLD with optional strip antenna

  • Simple Programming

    Simple Programming

Contact us

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0116 284 9900

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