Radio Packet Modem


The UHF Radio Packet Modem (RPM3) is a low cost intelligent radio packet modem that enables a two way radio network/link to be simply implemented between a number of digital devices.

Download Product Spec



  • Addressable point-to-point mode
  • Point-to-Multipoint and broadcast modes
  • Inverted RS232 interface at 5V or 3V CMOS level
  • DTE speed 600-115200bps
  • Overall throughput: 17kbps with ACK and28kbps wothout ACK
  • Single 5V or 3V supply
  • 15mA during data streaming at maximum rate
  • Flow control – Hardware (CTS), none
  • Available in 869.85MHz (EU), 914.50MHz (North America)
  • Usable range up to 200m (650ft.)
  • No Duty Cycle Restriction
  • Built-in command line configuration
  • Built-in RF link diagnostics
  • Remote over-air unit configuration
  • Low operating current, Auto standby mode
  • Conforms to European ETSI EN 300 220-3 and EN 301 489-3
  • FCC approved (under part 15.249)
  • Dimensions – 39 X 23 X 10 mm


  • Telemetry and telecontrol
  • EPOS equipment, barcode scanners, belt clip printers, stock control, job allocation
  • Remote data acquisition system, data loggers
  • In-building environmental monitoring and control system
  • High-end security and alarm signalling
  • Automated Monitoring and Control Systems
  • Fleet management, vehicle data acquisition

Downloads & Datasheets

  1. Full Specs PDF