RG Rotary Joint- U type Waveguide type - WR90 Material - Aluminum Frequency range = 8.2 to 12.4 GHz Operating bandwidth - 10~20% of waveguide bandwidth VSWR (max) - 1.25 VSWR WOW - 0.05 Insertion loss (max) - 0.25 dB Insertion loss WOW - 0.05 dB