BG Nexus Black Nickle Quadplex TV FM SAT (x2) NBN69 with 35mm Steel Back BoxBG Nexus Black Nickle Quadplex TV FM SAT (x2) NBN69 with 35mm Steel Back Box This screened Quadplex socket from British General has an outlet for TV FM and 2 satellites, plus a return and shuttered telephone socket. The metal housing helps stop RF leakage and signal loss, as well as protecting against impulse noise and EMI RF interference which can cause the TV picture to pixelate. As the connection itself is surrounded by a metal housing it also