SureCall SC-RG11-100 RG11 F-Male Cable is a 75ohm 100ft black cable featuring two F-male connectors (regular household TV video cable) on both ends. This ultra low-loss coax cable features almost the same loss as an LMR400 cable, a high performance commercial grade cable. Used for connections between the amplifier to both inside and outside antennas, taps or splitters. Specifically made for 75 Ohm systems.