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Home  >  SO2R Interfaces

Sale price: $959.00


MK2R+ is absolutely the most flexible, capable and advanced two-radio interface available today.
microKEYER 2R Plus is designed for the serious contest operator or DXer with two transceivers.  
microKEYER 2R Plus includes rig control interfaces for two supported radios (Elecraft, Icom, JRC, Kenwood, Ten-Tec, and Yaesu), independent PTT outputs for both LNA and Power Amplifier control, an improved, second generation WinKey CW Keyer, receive and transmit audio switching and a unique, high performance, dual codec sound system.    
Package contains:  micro KEYER™ 2R+, USB cable, LPT cable, two (2) one meter (3') long radio interface cables, two (2) stereo audio cables, headphone cable ending with two (2) 6.3mm (1/4") plugs, two (2) 3.5mm (1/8") plugs, one (1) coaxial 2.1mm/5.5mm power plug, two (2) RCA to RCA cables, one (1) Foster 8 to RJ-45 adapter, and CD-ROM containing the microHAM USB Device Router program and manual.
Features and functions:


- single USB + LPT connection for ”CT/NA” compatibility

- stand alone operation without computer

- support for independent settings for dissimilar radios

- optimized operation on both radios with dissimilar modes 

- innovative dual sound card processing

- integrated dual codec USB sound system

- 16 buttons/42 lights for control and status display

- compatible with most standard Windows based programs

- compatible with LPT interface (CT, TR, NA)


Radio control:

- Integrated CAT controller for both radios:
          CI-V, FIF-232, IF-232, RS-232

- up to 57600Bd with handshake support

- fully supports Icom, Kenwood, Ten Tec, Yaesu and other radios

- optical isolation of CAT port from computer USB port



- optical isolation of all keying signals from computer

- intelligent keying lockouts for both radios

- hardware lockout for ”last one wins” or ”first one wins” 

- Hot Switch PA protection adjustable in 1ms steps

- separately sequenced keying outputs for LNA bypass

- supports single -or- dual foot switch operation

- support for VOX and CAT T/R switching command

- solid state or relay isolated T/R outputs for PA control



- Integrated K1EL WinKey2™ with front panel speed control

- selectable “paddle only” side tone

- nine (9) memories with auto-numbering

- PS/2 keyboard/keypad support for direct CW with type ahead 

- PS/2 keyboard/keypad support for CW message playback 

- PS/2 keyboard/keypad CW works without computer connection


Digital (FSK/AFSK):

- six transformer isolation of sound cards and radios

- low noise preamplifier for better weak signal decoding

- front panel input and output controls for each channel

- high performance, low noise floor dual codec USB sound (MK2R+)

- separate AFSK drive to the radio rear panel audio jacks

- dual FSK outputs, supports 5/6/7/8 bits and 1/1.5/2 stop bits

- unique, hot switch protected FSK keying

- separate AFSK PTT with microphone muting

- PS/2 keyboard/keypad support for direct FSK with type ahead 

- PS/2 keyboard/keypad support for FSK message playback 



- rear panel hand/desktop microphone jack

- front panel selection between attached microphones

- supports a microphone “button” functions for Radio1

- preamplifier for computer voice recording 

- dual preamplifiers for dynamic mics with older Icom radios

- individual microphone routing for each radio

- nine (9) memory software DVK 



- front panel headphone jack, rear panel external speaker jack

- unique ”multi-source” signal handling

- support for second sound card for audio review

- capable of switching up to six (6) audio sources to each ear: 

   1) Radio 1 Main    2) Radio 1 Sub        3) Radio 2 Main 

   4) Radio 2 Sub     5) Sound Card left    6) Sound Card right

- hardware support for independent headphone audio selection:

   1. R1=RX, R2=RX, TX=R1    2. R1=RX, R2=RX, TX=R2 

   3. R1=TX, R2=RX    4. R1=RX, R2=TX    5. R1=TX, R2=TX

- front panel control knob for left/right audio ”mix” feature

- user selectable recording of L/R audio or headphone audio 

- dedicated controls for ”classic” audio control (R1/BOTH/R2)



- configurable Accessory port with dual BCD band data outputs

- all operating parameters are stored in EEPROM 

- integrated chokes and filters for maximum RFI immunity

- Metal/Aluminum case, powder coated and silk screened

Note: MK2R+™ is a hardware products - the level of functionality is determined by the features offered by the application software and transceivers with which it is used.  MK2R+ "fully supports" a radio when microHAM releases a cable set designed to interface MK2R+ to the specific input/output requirements of the supported transceiver.  Due to differences in capabilities among transceivers, the support software (microHAM USB Device Router) and/or MK2R+ may not be able to implement every available feature with for all radios or third party applications.