BNC Female-Female Coupler.
Two female BNC connectors. Used to connect together RG58 and RG59 and RG6 Cables.
Connector can be used for extending current cablings.
Similiar to:
Cablestogo Part# 02030
UPC:820799021310
This BNC Female-Female Adapter Coupler is amazing. It allows me to connect multiple devices to my TV and switch between them seamlessly.