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== Attenuation Charts ====Attenuation Charts== ===Common Cable Attenuation Chart====== Common Cable Attenuation Chart ====== VHF / UHF / GHz Attenuation Chart ======VHF / UHF / GHz Attenuation Chart===| width="122" | '''1/2" LDF'''| width="122" | '''1/2" LDF (Heliax)'''| width="122" | '''7/8" LDF'''| width="122" | '''7/8" LDF (Heliax)'''| width="122" | '''1 1/4" LDF'''| width="122" | '''1 1/4" LDF (Heliax)'''| width="122" | '''1 5/8" LDF'''| width="122" | '''1 5/8" LDF (Heliax)'''== RG-58 ====Cable Options to Antenna== ===RG-58===Because it is flexible and thin, this cable is often used for vehicle installations. Suitable for vehicle installs for CB radio and HF amateur radio.In ham radio you typically only see RG-58 being used for short jumper connections, such as 3ft between an SWR/Power meter and a transceiver, or an antenna matching unit.== RG-8/U =====RG-8x / Mini-8===thin, This cable is .242" diameter with a #16 AWG stranded center conductor and a foam dielectric. ===RG-8/U===This cable is suitable for 50-75 foot runs in the VHF/UHF range. The cable is considered by some to be obsolete. The cable has a characteristic impedance of 50Ω.This cable is suitable for 50-75 foot runs in the VHF/UHF range. The cable is considered by some to be obsolete. The cable has a characteristic impedance of 50Ω. This cable is .405" in diameter with a #13 AWG center conductor and a solid polyethylene dielectric. == RG-213 =====RG-213===== UR-67 =====UR-67===== LMR-400 =====LMR-400===== Belden 9913 =====Belden 9913===thick, 50Ω, very low loss ==Jumper (Patch) Cable==From the transceiver to an antenna matching unit, swr, power meter, or linear amplifier, the use of a short, flexible jumper cable is needed. These tend to have higher attenuation, the tradeoff being flexibility for signal loss. At lengths of 3ft to 6ft the attenuation is negligible. ===RG-58===CB and jumper for ham radio. Lossy.===LMR-240, 200 and 195===Because LMR-400 is thick and can put a lot of stress on the connectors of equipment, thinner more flexible alternatives are preferred for jumper use. LMR-195 is thin and flexible. RFC195 is LMR-195 equivalent and suitable for jumpers on 2m and 70cm application in lengths of 6ft or less. LMR-195 has less attenuation than does RG-58U at all frequencies. At CB frequencies it is 1.8 vs 2.5 and at 70cm ham it is 4.8 vs 7.4. LMR-195 has lower loss than other RG ‘58’ type cables. This is achieved through the use of a high velocity dielectric and a bonded aluminum tape outer conductor.