The ANO HF250FEP(W) from ANOISON Electronics LLC is a RF Cable with Frequency Range DC to 34 GHz, Cut off Frequency 34 GHz, Propagation Velocity 0.695, Cable Diameter 0.270 Inches, Attenuation 4.88 to 43.31 dB/ft. Tags: Flexible, Hand Formable, Semi-rigid. More details for ANO HF250FEP(W) can be seen below.