The subreceiver can tune the same range of frequencies as the Main receiver, including frequencies outside of the Amateur bands when it is equipped with the optional KBPF3 general coverage filter board.
The KRX3 has three major components as shown installed in a K3S. The shielded enclosure contains the main KRX3 board, mixer and noise blanker boards, optional KBPF3 general coverage filter board and roofing filters that you will assemble and mount in the enclosure.
A: Yes. The KRX3A fully supports Diversity operation. This mode provides 'deep DXing' by listening to both receivers on the same frequency with different antennas.
A: Yes, we recommend that any filter in the Main have a matching filter installed in the Sub-receiver to operate in Diversity mode.
A: The Matching service is only important when ordering 5 pole ( 500 hz) or 6 pole (200 hz) filters. All 8 pole filters are pre-matched and do not require the Matching option.