The A40 from Talent Microwave Inc is a RF Cable with Frequency Range DC to 50 GHz, Cut off Frequency 50 GHz, Propagation Velocity 0.85, Attenuation 37.5 dB/100m @ 1 GHz, Peak Power 0.075 to 0.51 kW. Tags: Flexible. More details for A40 can be seen below.