The 90-125-(L)-6-6 from Narda-ATM is a Flexible Waveguide with Frequency 8.2 to 12.4 GHz, Insertion Loss 0.1 dB/ft, Power 1 kW, Pressure 45 psig, Operating Temperature -55 to 130 Degree C. Tags: Non-Twistable. More details for 90-125-(L)-6-6 can be seen below.