Coaxial Relay, CX800M, Tohtsu, Japan.
Coaxial Relay DPDT, 6 x M / SO239 gold center pin connectors. Tested on full legal RA power 1.6 - 450 MHz. No loss even winter time on reception as we got with Vacuum relay. Must be installed into box, whivh has 2 - 4 mm holes on down edge to eliminate water and ice element.