LMR-200 flexible coax cable is 50 Ohm and has a PE (F) dielectric. Our LMR-200 coax is constructed with a 0.195 jacket made of PE. LMR-200 coax has a shield count of 2, a RF shielding of 90 dB and the maximum frequency for this cable is 5.8 GHz. LMR-200 coax cable has an attenuation at 1 GHz of 10.5 dB.