NBFM Multi-channel 500mW UHF Transmitter

The HMT2 transmitter module offers a 500mW RF output in the UK 458MHz. This unit is ideally suited to applications where existing lower powered transmitters provide insufficient range. The HMT2 transmitter is a multi-channel, narrowband design, suitable for licensed and unlicensed UHF allocations.


  • Conforms to EN 300 220-3 and EN 301 489-3
  • PLL Synthesized transmitter with TCXO
  • Data rates up to 5 kbps for standard module
  • Usable range over 5km
  • Fully screened
  • User configurable via RS232 interface
  • Low power requirements



  • Safety-critical wireless applications such as social alarms and healthcare monitoring
  • High-end security and fire alarms
  • Lone Worker Alarms
  • Industrial/Commerical Telemetry and Telecommand
  • In-building environmental monitoring and control
  • Vehicle data up/download
  • Automatic meter reading (AMR)

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