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Current K42 Revision is BCC
K42 Base Features

K42 Revision C has been so popular we decided to do another run of kits. Many improvements over the original K42, the first is a software controlled backlit display. The second is a much improved CW reader. We retained the small, efficient package, and all of the K42's standard features. Kit pricing is $109 which includes the enclosure, backlit LCD, CW Reader, and high voltage solid state keying relay. US shipping is $10.00 for USPS Priority Mail.
K42 CW Keyboard/Reader Kit
with backlit display (Rev C)

CW Reader Features


  • IBM PS/2 Keyboard Interface
  • 5 - 120 WPM CW Transmit
  • Adjustable sidetone frequency
  • Iambic keyer w/autospace
  • Farnsworth spacing
  • Adjustable weighting
  • Keying Compensation
  • First dit/dah compensation
  • Optically Isolated HV Outputs
  • Adjustable PTT delay
  • 2048 byte message memory
  • 12 memory slots
  • Messages can be chained, called, or repeated
  • Programmable beacon delay
  • K1EL CW command language
  • 200 character type ahead
  • HSCW and QRSS Tx support
  • Serial number generator
  • Keyboard key paddle
  • Custom Prosigns
  • European character support
  • Extensive RFI filtering
  • 16 character by 2 line LCD
  • Rotary Encoder speed control
  • Dimensions: 4" W by 3.25" D by 1.75" H

  • Automatic speed locking from 10 WPM to 35+ WPM
  • 8 Pole Bandpass AF filter
  • Fixed lock frequency at 690 Hz
  • Adjustable inter-letter spacing
  • Adjustable Gain and Noise Filtering
  • 6 element LED tuning display

Please download the assembly guide using the link on the left.  Even though the kit is fairly easy to assemble, it's not recommended for first time kit builders.
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K42_C kit $109