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Amateur Radio TNC 

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The MFJ-1270X TNC-X is a low-cost, low power, self-contained TNC currently deployed in thousands of locations worldwide. This USB TNC derives it power from the USB port of your computer. It also supports a separate serial port. The TNC-X is a KISS mode TNC and works with all software that supports KISS mode. It works well with all Window operating systems after 98, plus Mac OS 8, 9 or X plus Linux. The rear panel has USB and RS-232 ports. 5.2 x 1.5 x 3.25 inches. Requires 8-15 VDC at 200-300 mAh, or may be operated from a 9 Volt battery (not included).

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