The KAT2 Kit allows you to connect nearly any antenna directly to the K2 and use it on all bands (160-10 m). Two antenna jacks are provided--instantly A/B test both antennas on any signal using the ANT 1/2 switch. Uses all latching relays, so current drain is Zero except when tuning.

Elecraft KAT2 Internal 20W ATU for K2

• L - C Ranges: L: approx. 0-20 µH in 256 steps; C: approx. 0-2400 pF in 256 steps
• Network Type: L-network (series L, shunt C); C switchable to transceiver or antenna side
• SWR Range Matched: Up to 10:1 typ. (varies with band; smaller range on lowest/highest bands)
• Tuning time: 1 to 5 seconds typical for initial tune-up; < 1/2 sec. to recall stored settings.
• SWR Display: 1.0:1 to 9.9:1
• Power Display: 0-20 watts (approx.); forward and reflected power shown in 0.1-w increments
• Current Drain: Approx. 10-30 mA during TUNE; < 5 mA at all other times
• Size: 4.2" (L) x 1.6" (D) x 1.5" (H) (10.7 x 4.0 x 3.8 cm) This is a kit of parts and soldering experiance etc is required to assemble