microHAM : MK2R and MK2R+ - Specifications

Technical Specifications:

USB: USB 2.0 Full speed, USB 1.1 compatible

Power consumption:
   USB � less than 300mA
   Power supply � less than 300mA at 13.8V (max. 16V)

Radio Ports:
Control: 2 x RxD, TxD � max. 57,600 Baud, RTS/CTS handshake supported
               Levels: TTL, inverted TTL, open collector bus, RS232
CW:   2 x open collector, max 30V/400mA
FSK:   2 x open collector, max 30V/400mA
PTT1: 2 x open collector, max 30V/400mA
PTT2: 2 x open collector, max 30V/400mA
PA PTT: selectable by internal jumpers
    2 x Open collector, max. 45V/0.8A
      2 x Relay contact, max. 125VAC/2A 60VDC/2A
LNA PTT: selectable by internal jumpers
    2 x Open collector, max. 45V/0.8A
      2 x Relay contact, max. 125VAC/2A 60VDC/2A
ACC port pins 2-13: TTL levels, max 4mA load
ACC port pin15: 5V, max. 100mA
LPT port: TTL levels, max 4mA load
Foot Switch: 2 x active when closed to ground, max load: 1 mA at 5V
PTT IN: 2 x active when closed to ground, max load: 1 mA at 5V

EXT SPEAKER: stereo, 32 ohm load

Audio Out: 600 Ohm, 3V p-p max.
3dB bandwidth: 0.2 - 6KHz typical
MK2R+ only:
     Second harmonic: -84 dB typical
    Third harmonic: -72 dB typical
    D/A Sampling rates: 32000, 44100, 48000 Hz.

Audio In: 50K Ohm, max 4Vpp
3dB bandwidth: 0.2 - 6KHz typical
MK2R+ only:
     Absolute noise floor: -82 dBm @600 Ohms typical
    Dynamic Range: 82 dB typical
    A/D sampling rates: 8000, 11025, 16000, 22050, 32000, 44100, 48000 Hz.

Dimensions: W 305mm (12") x H 67mm (2.63") x D 106mm (4.17")
Weight: 1.5 kg (3.3 lbs.)

Requirements:

Minimum - 800 MHz IBM PC compatible computer with Windows 2000, 256 MB RAM, Sound card (x2 - MK2R), CD-ROM, USB1.1 port, Transceiver (x2), logger or control software (any)

Recommended - 1.6 GHz PC with Windows XP or higher, 512 MB RAM, Sound Card (x2 - MK2R), CD-ROM, USB2.0 port, Transceiver with computer port (x2), CW paddle, PS/2 keypad, logger or control software (any)

Note: Windows 98 (all versions) is not supported.

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