The coax adaptor set normally you are missing just the adaptor you would need right now... so you build one: from BNC to SMA over TNC to N. Or not if you don't have such a collection. Or you have the 40 pcs adaptor set, with which you can assemble max. 8 adaptors at the same time. Consists of special adaptors for the usual connector types which can be combined to any other system with a special center connector. Contains four connectors for each type (2x male, 2x female) for the types BNC, TNC, PL, N, F, Cinch, SMA, Mini-UHF plus six center connectors. All items are stored in a solid bag with zipper.