UHF FM Wide Band 450mW Transmitter


The TX3H-869.5-10 is an 869.5MHz FM transmitter module with a power output of 450mW nominal. It is a 100% pin-compatible drop-in replacement for the Radiometrix TX1H-151.300-10.

Download Product Spec



  • Standard frequency: 869.50MHz band
  • Data rates up to 10kbps
  • Usable range over 3km
  • Fully screened
  • Low power requirements

The TX3H operates on European 869.40 – 869.65MHz sub-band allocation for 500mW and is designed to meet EN300 200-3 (radio) and EN301 489-3 (EMC) requirements.
Custom frequencies may be available to order.

Technical Summary

  • Transmit power: 450mW (26.5dBm, ?1dB)
  • Operating frequency: 869.50MHz
  • Supply: 5V (regulated)
  • Current consumption: 310mA (typical)
  • Data bit rate: 10kbps max.
  • Size: 45 x 17 x 5.5mm


  • Tracing and asset tracking systems
  • Meter reading systems
  • Industrial telemetry and telecommand
  • Data loggers
  • In-building environmental monitoring and control
  • High-end security and fire alarms
  • Social alarms
  • Vehicle data up/download

Downloads & Datasheets

  1. Full Specs PDF