![]() ![]() Power is supplied through a 5mm/2.5mm power jack, like the UKA-3 and MK-1. An RCA phono jack is included for the keying output to the transmitter or amplifier. All parts are thru-hole PCB mount, no SMT parts. This totally silent solid state relay is rated for a whopping 400V DC, at 120 mA! Use it to key your tube amp from a solid state rig, or keep that high voltage off your straight key - no more getting zapped when you accidentally touch the wrong part of the key! Use this to key nearly any solid state, grid-block or even cathode keyed rig transmitter, transceiver or amplifier. This is for the BUILT and TESTED version As featured in the 2008 ARRL Handbook for Radio Communications! Keyer to transmitter interfaceĪnti-shock key to rig interface for "boat anchors"
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