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DigiKeyer II
Sale price: $339.00
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DigiKeyer II
 
Digikeyer II
An All-in-One digital mode USB interface with radio control, hardware FSK, K1EL WinKey and industry standard USB Sound.
 
DIGI KEYER II™ is a powerful All-In-One USB interface for amateur radio digital mode operation including RTTY, PSK31, MFSK, Olivia, WSJT, ect. and CW.  DK II combines the proven performance of the original Digi Keyer, the enhanced control and interfacing capability of microKEYER II, K1EL WinKey CW keyer and microHAM's unique support for fldigi p-FSK/q-CW and cocoaModem's OOK modes.
 
Features:
  • 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, RUMLog and RUMPed on macOS
    - 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
Specifications:
 
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
- supports 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 1A
 
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.)

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