The RFWF187-36Inch from RF-Lambda is a Flexible Waveguide with Frequency 3.95 to 5.85 GHz, Insertion Loss 0.15 dB, Power 1 kW, Peak Power 1.5 MW, Operating Temperature -54 to 85 Degree C. Tags: Twistable Waveguide. More details for RFWF187-36Inch can be seen below.