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HBR/8B

All HF bands QRP CW transceiver. This is an improved version of HBR/3B.

  • Covers 80, 40, 30, 20, 17, 15, 12 and 10 meters
  • Classical single IF superheterodyne design
  • Has just a few barely hearable (~S0) spurious signals
  • Simple but effective AGC
  • Supports RIT and XIT
  • 10-30 WPM Elekey-B type keyer + straight key mode
  • Keyer supports record and playback, programmable with paddles
  • ~5W class C power amplifier
  • Has a S-meter and a SWR meter
  • Open-source firmware, schematic and 3D-printable enclosure

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Contributors

MIT License
Created December 24, 2022
Updated February 10, 2026