Long‑Haul Optical Transmission System for HF Transmit & Receive

This system uses optical methods to transmit RF signals. It enables bidirectional transmission over a single fiber, converting analog RF signals into optical signals through photoelectric modulation for long‑distance, low‑loss transmission.

The system comes with built‑in power amplifier and antenna tuner modules. It offers significant advantages including long transmission distance, wide dynamic range, and remote monitoring capability. It is fully compatible with existing transceiver‑type HF radio stations and is ready to use upon power‑on, making it a modern key approach for high‑quality signal transmission between the antenna field and the control center.

  • Remote deployment of HF antennas
  • Upgrading of HF communication stations
  • Modern unmanned antenna fields
  • Rapid remote positioning of mobile antennas
  • Long‑haul transmission: up to 50km without repeaters
  • Intelligent control: supports real‑time remote monitoring and control
  • Spectrum Optimization: Flexible switching between all‑pass and band‑pass modes
  • Adjustable gain: centralized control of dual‑end gain

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