RFnexus

RFnexus/modem73

High speed software modem that works with any HF/VHF/UHF radio capable of 2400 Hz of bandwidth

81 stars 12 forks 81 watchers C++ The Unlicense

ham-radio hf hf-radio packet-radio soundmodem

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1 Open Issue Need Help Last updated: Aug 19, 2026

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Feature Request: Portable MODEM73 Core for Android/iOS and Native Applications about 1 hour ago

enhancement good first issue v2

RFnexus/modem73

81

High speed software modem that works with any HF/VHF/UHF radio capable of 2400 Hz of bandwidth

C++

#ham-radio#hf#hf-radio#packet-radio#soundmodem