Z-Match & Bandpassfilter combination.
Low pass filter for 60m, 40m, 30m, 20m, 17m & 15m
The kit is based on a solid board (50 x 95 mm) with low-pass filters. The filters can be selected with a rotary switch.
Using the SMA sockets you can connect it directly to your antenna, the QRP transceiver or the WSPRlite family.