High value pure brass BNC Male-M-Plug to dual BNC Female-F-Jack (Not Alloy) RF coaxial coax adapter connector coupler T Tee type Connectors / Splitters 1 Male to 2 Dual Female Tested.Order with confidence. Pure brass with Great connectivity.(Not Alloy) 8-12 business day delivery to U.S.A address if fulfilled by Merchant.