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138.00 EUR (115.00 EUR + VAT)
Availability: Back Order
Not Rated
138.00 EUR (115.00 EUR + VAT)


Microham CW KEYER is a powerful USB CW interface/memory keyer based on the K1EL chip and microKEYE. Microham CW KEYER provides the unmatched CW features of the original microKEYER and a USB radio control interface in a small, readily portable package for those with no need for the audio handling capabilities of microKEYER.  Microham CW KEYER uses a single USB port can be interfaced with many logging programs for both radio control and CW transmission. Microham CW KEYER supports a PS/2 keyboard CW generation or control of the memory keyer functions (including contest serial number generation) or a PS/2 keypad for control of the memory functions. The keyboard and keypad function whether Microham CW KEYER is connected to a computer on not.

The interface is suitable for connecting any type of transceiver that has a CAT port. For example, Yaesu, Kenwood, Icom, Elecraft, Ten-Tec.

Microham CW box contains: cw keyer, USB A/B cable, clip on ferrit rfi filter, power connector (the power cord must be made by you), installation cd

The device is compatible with a wide range of radios, so you need to create a radio-specific cable, it is not supplied in the box. Cabling and device setup can be downloaded here: http://www.microham.com/contents/en-us/d137.html

Driver software and user manual can be downloaded here: http://www.microham.com/contents/en-us/d29_downloads.html

Microham CW KEYER block diagram:

Microham CW KEYER features:

No COM or LPT port necessary, just one USB port

Complete "Computer <-> Radio" electrical isolation

  • optical isolation of ALL signals -> Radio Control, CW, PTT

Compatible with most standard MS Windows based logging or control software

  • special microHAM "USB Device Router" program creates virtual COM ports as needed for full functionality with your favorite programs
  • customizable presets to instantly change CW KEYER parameters for the various requirements of different programs

Integrated computer control port for all radios CI-V, FIF-232, IF-232, RS-232

  • fully supported Icom, Kenwood, Ten Tec, Yaesu and other radios
  • no separate level converter required

Integrated superior K1EL WinKey™ chip with extended capabilities for superior CW

  • front panel speed knob
  • nine (9) user programmable memories
  • PS/2 keyboard/keypad support for direct CW sending
  • PS/2 keyboard/keypad support for instant CW message playback and function handling
  • PS/2 keyboard/keypad CW works without computer connection
  • precisely timed auto PTT
  • selectable side tone
  • all parameters are stored inside the CW KEYER memory and reloaded after power up

Strong RFI immunity

  • integrated chokes and filters for best RFI immunity
  • advanced shielding and circuit design for RFI product suppression

Quick change connectors

  • USB, Radio CAT - 1/8"
  • Paddle - 1/4", PS/2 - MiniDIN6, CW - RCA, PTT - RCA

Front panel LEDs for easy visual feedback of CW and PTT

Metal/Aluminum case, powder coated and silk screened

Free, time unlimited firmware/software upgrades via Internet

Microham CW KEYER specifications:

USB USB 2.0 Full speed , USB 1.1 compatible
Power consumption USB side - up to 100mA Transceiver side up to 100mA at 13.8V (max. 16V)
Radio Port RXD, TXD max. 57600Bd - levels:TTL, inverted TTL, open collector bus, RS232
CW open collector, max 30V/400mA
PTT open collector, max 30V/400mA
Dimensions W 103mm (4.05") x H 44mm (1.73") x D 85mm (3.35")
Weight 600g (1.3lbs)
Requirements Minimal - PC with Win98SE, 48MB RAM, CD-ROM, USB1.1 port, Transceiver, logger or control software (any)
Recommended PC with WinXP or higher, 256MB RAM, CD-ROM, USB2.0 port, Transceiver with computer port, CW paddle, PS/2 keypad, logger or control software (any)
Also suported Apple G4 or later and OS-X 10.0 or later with MacLoggerDX from DogParkSoftware, Ltd. Nativelly supported by cocoaMode
Note Windows Millennium Edition Windows ME is not supported


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