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ATS-25 radio receiver: https://ali.ski/rsfQk 1-4 layer boards for $2, component assembly from $0: https://jlcpcb.com/DYE Forum with firmware: http://hamforum.ru/viewtopic.php?f=45... ATS-20 Review: • ATS-20 DSP radio on ARDUINO and Si4732 Advertising on the channel: https://goo.gl/UOl01I To support the channel: http://www.donationalerts.ru/r/hamrad... R128426360516 Z284799028479