Impedance 50? Cut-off frequency 5.2GHz Guaranteed frequency DC-4GHz Peak power rating 91kW PIM -160dBc@2?20W Inner conductor Copper Tube Dielectric Foamed PE Outer conductor Corrugated Copper Jacket Black PE Suitable connector DIN / N / 4.3-10 7/8' feeder cable is a type of RF coaxial cable which incorporates high foaming polyethylene insulation technology to minimize signal loss. Volda's feeder cables have reliable performace, excellent electrical characteristics and flexibility, low insertion loss & attenuation, low passive intermodulation (PIM). Our 7/8' feeder cable meets the high standard quality requirements of Rosenberger, Amphenol, Commscope and substitute of 123-3-50, AVA5-50, RFS LCF78-50JA, etc.