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25 foot LMR400 Coaxial cable

Part Number 40

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25 foot LMR400 Coaxial cable

A coaxial cable is a special type of wiring that has an inner conductor surrounded by an insulating plastic sheath which is covered by a braid of copper wire that is then covered by a plastic jacket. The 75 ohm video cable used in home TV applications is one type of coaxial cable. For most RF purposes, 50 ohm cable is used. Quite a number of 50 ohm coaxial cables are available ranging from the rather small to cables over 1" in diameter. Regardless of the type, all such cables exhibit a loss that increases with frequency of operation and the length of the cable. For most purposes we will concern ourselves with LMR400 and RG8x (mini version of RG8). In very short runs RG58 can be used, but we prefer RG8x due to its lower loss and ability to stand a bit more abuse. Under no circumstances should the cables be twisted, kinked or crushed, this will cause major problems. We supply both RG8X found in various lengths here and LMR400 in the following lengths: 25', 50', 75' and 100'. Each end is terminated with a PL259 plug.

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