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Interfaccia USB All-in-One per i modi digitali radioamatoriali, hardware FSK, K1EL WinKey con una scheda audio USB standard integrata.

DIGI KEYER II è una potente
interfaccia USB All-In-One  per il funzionamento in modalità digitale radioamatoriale compresi RTTY, PSK31, MFSK, Olivia, WSJT, ect. e CW. DK II unisce le comprovate prestazioni dell'originale Digi Keyer, con capacità di controllo avanzato e interfacciamento compatibile con microKEYER II, K1EL WinKey CW manipolatore.



DIGI KEYER II™ block diagram


  • No serial or parallel port required:
    - just one USB cable between your computer and DIGI KEYER II
    - Fully integrated: Sound Radio Control, true FSK, CW and PTT
    - Computer sound card is not used
  • Complete "Computer <-> Radio" electrical isolation
    - transformer isolation between sound circuits and radio
    - optical isolation between USB port and of ALL digital signals: Radio Control, CW, PTT, FSK, PA PTT, & LNA PTT
  • Standard Sound Device - no custom drivers:
    - The microHAM CODEC is an industry standard device recognized by Windows, Apple OS 10 and LINUX.
    There are no custom device drivers to install and no compatibility problems with your favorite applications.
    - Sound card connection for micro2R
  • Ultra low noise:
    - The sound circuits are designed with special attention to low noise
    - The receive noise floor in DKII is lower than any value priced sound card or similar amateur product.
    - Dynamic range rivals that of professional products.
    - Special circuit design maintains full dynamic range and low noise floor with all radios - both high level and low level outputs. 
  • Compatible with most standard Windows software
    - special microHAM USB Device Router creates as many virtual COM ports as needed to function fully with your favorite programs
    - customizable presets allow instantly changing configuration when switching programs
  • Supported by MacLoggerDX on Mac OS X
    - supports cocoaModem and other Macintosh applications.
  • Integrated control port for all radios: CI-V, FIF-232, IF-232, RS-232
    - fully supports Elecraft, Icom, JRC, Kenwood, Ten-Tec, and Yaesu radios
  • Dual Channel Receive:
    - supports dual receive with transceivers like the Icom 7800, Yaesu FT-9000, FT-5000, FT-2000,
    FT-1000D/MP/Mark V, Kenwood TS-2000, and Elecraft K3.
    - independent, front panel level controls for each receiver
  • Front Panel Level Adjustments:
    - Pots for Transmit level, Main Receiver level and Sub receiver level
    - no need to fumble with Windows Mixer to control levels
  • Integrated K1EL WinKey™ chip with extended capabilities
    - front panel speed knob
    - nine (9) user programmable memories
    - internal paddle buffer for improved reliability.
    - PS/2 keyboard support for direct CW generation.
    - PS/2 keyboard/keypad support for instant CW message playback
    - PS/2 keyboard/keypad CW work without a computer connection
    - auto PTT
    - selectable side tone
    - all parameters are stored in EEPROM and reloaded on power up
  • FSK keying output
    - capable of sending 5/6/7/8 bits and 1/1.5/2 stop bits
    - PS/2 keyboard support for direct FSK transmission without a computer
    - PS/2 keyboard support for instant FSK message playback
    - PS/2 keyboard works without a computer connection
  • Sound card Right channel audio detector and FSK/CW driver  
    - FSK output for FLDIGI "pseudo-FSK" and cocoaModem OOK mode
    - Provides a "hard keyed" CW output for software that generates only audio (sidetone) CW
  • Independent keying buffers for Power Amplifier and LNA switching
    - extended range solid state output for low voltage T/R lines or QSK
    - relay isolated output for vintage PA with negative voltage T/R lines
    - Bypass LNA before activating both PTT circuits for EME or scatter
  • Footswitch input with programmable functions
    - programmable PTT activation delay in 1ms steps
    - selectable muting of CW and/or FSK when footswitch is closed
  • Squelch input for signaling to computer
    - two inputs, one is active low, second is active high
    - ideal for Echolink and remote interfacing applications
  • No external power adapter (where the radio provides auxiliary power)
    - No noisy DC to DC converters
    - USB and Sound chip are powered from the computer USB port
    - Controller is powered from transceiver or transceiver power supply
  • Strong immunity from RFI
    - integrated chokes and filters for best RFI immunity
    - advanced shielding and circuit design to suppress RFI generation
  • Input/Output connectors
      Computer: USB,  Radio: DB15, Paddle: 6.3 mm, Sub RX: 3.5mm
      Footswitch: RCA, PA PTT: RCA, LNA PTT: RCA, PTT IN: RCA,
      PS/2: MiniDIN6, u2R: 2x3.5mm
  • Metal/Aluminum case, powder coated and silk screened
  • Free firmware/software upgrades via internet



USB: USB 1.1 and 2.0 compatible
Power consumption: USB side - less than 100mA
Transceiver side less than 200mA at 13.5V (max. 16V)
Radio Port: RxD, TxD, max. 57,600 Baud
- levels: TTL, inverted TTL, open collector bus, RS232


CI-V Port: open collector bus, max. 9600 Baud

CW: open collector, max 30V/400mA
FSK: open collector, max 30V/400mA
- supported 5/6/7/8bit data length, 1/1.5/2 stop bit, up to 300 Baud
PTT: open collector, max 30V/100mA
PA PTT: selectable by jumper
- open collector, max. 48V/0.8A
- relay contact, max. 48V AC/DC 1A

LNA PTT: selectable by jumper
- open collector, max. 48V/0.8A
- relay contact, max. 48V AC/DC 1A1


Foot Switch: active when closed to ground, max load: 1 mA at 5V


PTT IN: active when closed to ground, max load: 1 mA at 5V



Audio Out:

- single channel (left)
- output impedance:600 Ohm
- output level: 1.5V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 3KHz typical
- Sampling rates: 32000, 44100, and 48000 Hz

Audio In:

- dual channel (stereo)
- input impedance: 50k Ohm
- input level: 4V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 3KHz typical
sensitivity: 60mV p-p for full scale ADC readout

Dimensions: W 165mm x H 44mm x D 110mm 

Weight: 1100g (2.4 lbs.)



  1. POWER: YELLOW color indicates when power is applied to the “Radio” connector.

  2. CW SPEED: WinKey speed control. Range (MIN, MAX) is defined by software

  3. CW: LED flashes with CW output 

  4. Q-CW/P-FSK: LED flashes with Right channel Audio output when properly configured for ON/OFF Keying 

  5. TX: Transmit Audio Level

  6. FSK: LED flashes with FSK output 

  7. PTT: LED lights when PTT is active

  8. RX MAIN: Adjusts receive audio level from the main receive (left) channel.

  9. LINE: LED lights the sound card Line input is selected and flashes when the mic input is selected.

  10. SC: LED lights when an application opens the internal sound card for output.

  11. RX SUB: Adjusts receive audio level from the sub- receive (right) channel.

  12. SQL: LED light when SQUELCH is open (if supported by the transceiver)



  1. RADIO: DB15F connector for radio interconnection – a detailed description is in Appendix A

  2. MIC: 3.5mm jack for microphone input from micro2R

  3. USB: USB B connector for computer connection. Connect the supplied USB A-B cable.

  4. SUB RX: 3.5mm jack for connecting audio from a second receiver

  5. PS/2: MiniDIN6 for PS/2 keyboard, PS/2 numeric keypad, resistive Keypad, or Aux CI-V output.

  6. PTTIN: RCA for PTT Out (Amplifier PTT) from transceiver.

  7. PA PTT: PTT output for Power Amplifier

  8. OUT: 3.5mm jack for output to micro2R

  9. PADDLE   6.3mm (1/4") stereo female for paddle input.

  10. FOOTSW: input for optional foot switch (manual PTT)

  11. LNA PTT: PTT output for controlling Low Noise Preamplifier or Receive antenna switching.

DB15-IC7800 Cavo per Icom IC-7800, IC-7850, IC-7851
DB15-IC8 Cavo per diverso Icom
DB15-IC13 Cavo per diverso Icom
DB15-TS6 Cavo per diverso Kenwood
DB15-TS9 Cavo per diverso Kenwood
DB15-TSMINI6 Cavo per diverso Kenwood
DB15-TS990 Cavo per TS-990
DB15-FT450 Cavo per Yaesu FT-450, FT-991
DB15-FTMINI8 Cavo per diverso Yaesu
DB15-FT736 Cavo per FT-736
DB15-FT847 Cavo per FT-847
DB15-FT890 Cavo per FT-890, FT-900
DB15-FT920 Cavo per FT-920
DB15-FT950 Cavo per FT-950, FT-DX3000D, FT-DX1200
DB15-FT990 Cavo per FT-990
DB15-FT1000M Cavo per Yaesu FT-1000MP, FT-1000MP MkV, FT-1000MP MkV Field, FT-2000, FTDX-5000
DB15-FT1000D Cavo per Yaesu FT-1000D
DB15-FT9000 Cavo per Yaesu FT-DX9000
Interfacce per modi digitali
Interfacce per modi digitali
Marca compatibile

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