1x BNC Male to 2 two BNC Male Plug triple T in series RF Adapter Connector 3-way

BNC Male Plug To BNC Female Jack Straight Coaxial Adapter RF Connector Convertor. 10x BNC Male Plug To BNC Female Straight Coaxial Adapter RF Connector Convertor. 10x BNC Female Jack to Two Double BNC Female Triple 3 ways RF Adapter Connector.

eBay