BNC-F keystone, screw connection (socket/socket), for mounting adapter KMK-MA Up and other keystone mounts, pure white (similar to RAL 9010), - fits in standard keystone openings (14.7 x 19.3 mm), - gold-plated contacts, - screw connection/feed-through socket, - in accordance with IEC 60169-24, - frequency range 0-5 GHz, - characteristic impedance 75 O, - shielding > 90 dB