Frequency Programmable 25kHz NBFM VHF Transceiver

The narrow band NiM1B transceiver offers a low power, reliable data link in a Radiometrix transceiver standard pin out and footprint. The NiM1B is a frequency programmable, narrowband design, suitable for licensed and unlicensed VHF allocations, FCC part 90 and part 95 (MURS) operations.


  • Conforms to EN 300 220-3 and EN 301 489-3 (10mW version only)
  • Compliant with FCC part 95 (MURS)
  • Standard frequency 154.570MHz or 154.600MHz (re-programmable)
  • Other frequencies from 120MHz to 175MHz
  • Data rates up to 5kbps for standard module
  • Usable range over 1km
  • Fully screened
  • Low power requirements
  • 25kHz Channel spacing
  • Feature-rich interface (true analogue and/or digital baseband)


  • EPOS equipment,
  • Barcode scanners
  • Data loggers
  • Industrial telemetry and telecommand
  • In-building environmental monitoring and control
  • High-end security and fire alarms
  • DGPS systems
  • Vehicle data up/download

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