TheKXAT100 adds a 100 Watt, fully automatic antenna tuner to the KXPA100. Not requiring an additional cabinet, the KXAT100 fits inside the KXPA100's cabinet and becomes fully integrated with the KXPA100 once it has been installed.
A: Yes. As with all options for Elecraft products, you can add any option, at any time and in any order or installation.
A: Yes. The KXAT100, once installed, will come under the control of a KX3 that is attached to the KXPA100 via the KXPACBL cable kit. This means that the ATU TUNE function on the KX3 can be used with the KXAT100 ATU for fully automatic operation.
A: The KXAT100 provides a complete set of controls on the front of the KXPA100 when it is installed. This includes Antenna port, Bypass/Manual/Automatic Mode selector, and SWR lights.