Premium-quality cable has 96% braid for best signal strength and least interference. Tinned copper wire is used for the conductor and shield, insulated by a UV-inhibited white jacket. Use RG-58CU for interconnecting electronic equipment, RG-59U for TVs and some SAT NAVs, RG-8X for VHF runs less than 50' and RG-213 for VHF runs over 50'. Price is per foot.