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micro KEYER III
Amateur Radio first 24-bit USB Audio Transceiver Interface
micro KEYER III™ is the world first and the only amateur radio USB interface featuring high dynamic range, 24-bit audio processing chain on all signal stages. It is the most powerful single radio All-In-One USB interface and the only USB interface to fully support digital and voice operation including microphone switching in one box.
With a single USB port, micro KEYER III™ works with any Windows-based logging or control program for CW, Voice, FSK and Digital operation (RTTY, FT8, WSJT, PSK31, SSTV, etc.). micro KEYER III™ works also on Linux using DJ5QV's mhuxd Router.
micro KEYER III™ includes a CAT, radio control interface that supports all common standards (RS-232, CI-V, Kenwood and Yaesu TTL), a powerful CW memory keyer using genuine K1EL's WinKey, a Digital Voice Keyer for SSB, two channel audio processing for transceivers with dual receivers, automatic microphone selection, and a buffer/sequencer for amplifier or LNA control.
Compared to 16-bit audio interfaces, or to any USB enabled transceiver, including flagship transceivers from well known manufacturers (as of summer 2021), unique 24-bit USB audio processing in the micro KEYER III™ provides advantage in higher dynamic range (>105dB) and lower noise floor, preserving transceiver performance also for audio processing on computer (digital modes), otherwise limited by 16-bit USB audio signal chain. Please see an introductory video below and check here independent measurement done by Wofgang OE1MWW.
For connection to the transceiver micro KEYER III™ uses special, transceiver specific DB37 cable, same as used with original MK, MKII or MK2R+. micro KEYER III™ keeps full backward compatibility for native control from logger programs and is compatible with all accessories made for MKII.
Along with completely new audio, micro KEYER III™ brings quite a lot of new features too. For more details or check what's new or different compared to previous MKII model, please click Features button below or check the manual.
micro KEYER III English manual
micro KEYER III Spanish manual
