The modular TETRA siren control receiver (mTSE) integrates analog radio switching receivers into the digital environment and thus enables the changeover to digital BOS alerting.

It fulfills the requirements of the special digital radio funding program of the Free State of Bavaria, as well as the operational requirements for function and safety of the Authorized Body of Bavaria (AS-BY).

Everything from one source!

Design and installation of the siren control receiver, including delivery of the TEA2 TETRA terminal and full range of services.*


Advantages & Functions

  • Sabotage contact integrated
  • Sheet steel wall-mounted housing in accordance with protection class/impact resistance IK10 to IEC62262
  • Various connection options:
    •         for siren current measurement module
    •         for fire alarm
    •         external telecontrol receiver (POCSAG or 5-TON receiver)
  • outputs for light and gate control 


Offer and services

Whether technical support to the digital TETRA standard, modernization of the installed siren system, or realignment of the alarm concept, the mTSE serves as the basis for every project - individually configured according to requirements and customer wishes.

  • Inspection, documentation and FRT measurement according to BDBOS specifications
  • Application procedure for the FRT location according to BDBOS / BNetzA
  • Conception and planning of the conversion measures
  • Delivery, installation and commissioning of the new mTSE
  • Installation and programming of the necessary TETRA FRT terminal equipment
  • Optional: Adaptation and modernization of antenna system and siren
  • On request, maintenance agreement and system monitoring



TETRA call-out + sub-addressing (Hesse TLV/Bavaria), analog, POCSAG, etc.

  • Fully compatible with existing mechanical and electronic siren types
  • Re-usable for new upgrades and conversions
  • Compatible with TETRA FRT radios of the most popular manufacturers

Technical Details

Power supply AC230V; 50Hz; 1.5A | Max. 36W/ typical 3W
Power supply DC16V to 30V | Max. 500mA to 2A/typical 100mA (without FuGe)
Voltage generation for radio 13.5VDC
Dimensions (W x H x D)380mm x 380mm x 210mm (without attachments)
Temperature ranges-25°C to +70°C
Humidity20% to 90% (non-condensing)
Protection classProtection class I
Weight14-16kg (depending on the radio)
Protection class / shock resistanceIP66 / IK10
Buffer battery18V / 7Ah (lead-fleece battery - AGM technology)
Outputs8 potential-free relay outputs
Inputs5 optocoupler inputs
Radio deviceMotorola / Sepura
Antenna connectionN socket


*ATTENTION: The radio is not part of the product "mTSE", this must be procured by the customer. All information without guarantee and subject to technical changes.