K1EL Systems - CW Contest Keyers for Amateur Radio

WKUSB, with a WinKeyer IC, is K1EL's original CW interface for the PC. It provides a convenient way to connect your PC to an amateur radio transceiver and send Morse both under computer control and by iambic paddle. Morse keying that is generated by a PC based application is prone to timing problems that are a result of the multitasking nature of Windows and other operating systems. All it takes is a long disk search or slow peripheral access to upset the intricate timing of Morse letters. This shows up even more at higher speeds such as you would find in a CW contest. Winkeyer replaces PC generated Morse and produces perfectly timed elements at speeds up to 99 WPM. In addition, WinKeyer provides an optical isolation between your PC and radio to prevent ground loops and electrical noise problems. If that's not enough, WinKeyer gives you a complete standalone keyer with speed control, message buttons, and a paddle interface. It is hard to find a contest or logging app that does not support WinKeyer. K1EL created the Winkeyer interface back in 2001 and did all the work convincing software developers to incorporate it into their applications.

WKUSB is a fully assembled and tested product, we no longer offer it in kit form.

WKUSB Features

Uses latest WinKeyer3 IC (V3.1)
4 Message pushbuttons
Independent Outputs to drive two separate rigs
RCA style Key and PTT outputs on back panel
Key and PTT outputs are optically isolated
High voltage solid state keying relays
Weighting, Keying compensation, and Letterspace
Sidetone speaker on board
Custom high quality silkscreened enclosure
Front Panel Speed Control
Paddle connector on back panel
USB interface (CH340 Controller based)
Uses USB Type A to B Cable (not included)
Internal battery holder for three AAA batteries
Low power standby in standalone mode

ESD protection on Paddle and USB connectors

Enclosure Size: 4.0" W by 3.0" D by 1.75" H