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You'll be able to do full computer control of the K2 with the KIO2 installed, and you won't need an external level converter, since the KIO2 provides true RS-232 levels. Compatible with most contesting and logging software, as well as our own K2VOICE and K2REMOTE programs. The KIO2 Programmer's Reference provides extensive information for those writing custom K2 control programs.

Note: The KPA100 option for the K2/100 includes a RS-232 interface. The KIO2 is only needed for the base, 15W K2, without the KPA100.


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  • RS-232 Interface:
    • Data Rate and format: 4800 baud, 8 data bits, no parity, 2 stop bits
    • Handshaking: None
    • ESD protection: +/- 15 kV; signal lines RF filtered and shielded
  • Current Drain: 5 to 10 mA (typ.)
  • Size: (KIO2 PC board) 1.5" (L) x 1.5" (D) x 0.5" (H) (3.8 x 3.8 x 12 cm)