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Table 1
Cable type numberImpedance Manufacturer Max distance at –6dBLoss per 100 metres @ 5MHz
CT100 75 Ohms Volex/Radex 461 1.3dB
CT167 75 Ohms Volex/Radex 666 0.9dB
RG11 75 Ohms Volex/Radex 428 1.4dB
RG59 75 Ohms Volex/Radex 266 2.25dB
URM70 75 Ohms Volex/Radex 181 3.31dB
URM77 75 Ohms Volex/Radex 1000 0.6dB
URM202 75 Ohms Volex/Radex 266 2.25dB
Typical cable types, with dB loss and practical cabling distances