The A81 from Talent Microwave Inc is a RF Cable with Frequency Range DC to 18 GHz, Cut off Frequency 18 GHz, Propagation Velocity 0.83, Attenuation 14.13 dB/100m @ 1 GHz, Peak Power 0.41 to 1.8 kW. Tags: Flexible. More details for A81 can be seen below.