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This product has been discontinued.
Please see the CA7814 Digitising Wideband HF Receiver for a suitable replacement.

8-Pack Digital HF Narrowband Receiver

CommsAudit Part Number: CA7708


8-Pack Multi-Channel HF Narrowband Receiver

  • Eight Independent Receivers in One Chassis
  • Very High Sensitivity & Dynamic Range
  • Very Robust Performance in Strong Signal Conditions
  • Switchable Phase Coherent Mode


  • Electronic Surveillance (ES)
  • ITU Spectrum Monitoring
  • HF Super Resolution Direction Finding
  • HF Over The Horizon Radar (OTHR)


Part Number Form Factor Datasheet
CA7708 2U Rack Mount

Product Description

High Performance

Utilising eight independent HF Receiver modules, the CA7708 is a high performance integrated HF receiver sub-system.

  • 103dB minimum Linear Dynamic Range
  • Very High Blocking Performance
  • Low Phase Noise

Exceptional Sensitivity

Low noise figure and High dynamic range enables reception of low amplitude signals, with strong interference present.

Fast Tuning

Capable of tuning to any frequency within the 2 MHz - 30 MHz HF band with 1 Hz tuning resolution. Enable advanced scan plans to rapidly interrogate frequency of interest lists.

Phase Coherent

Optional phase coherent mode for Super Resolution Direction Finding or MIMO applications.

Ethernet Ready

Embedded Linux and ethernet connectivity for professional, network integrated systems.

Digital Output

Digital output to integrate with modern software defined demodulators and decoders. Data 64 bits baseband I/Q on industry-standard VITA 49 format.

Precision Time-Stamping

Precision time-stamping with for TDOA (Time Difference of Arrival) Geo-Location.

Built In Self Test

Real-time, continuous monitoring of hardware status and health maximises system reliability.

Product Images

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