Generic photo used for illustration purposes only.
WS28-L is a WR-28 waveguide straight section with UBR320 square cover flange. This waveguide straight covers the frequency range of 26.3-40.0 GHz. RF ONE offers a complete line of waveguide straight sections covering the waveguide sizes WR3 to WR1150.
For model WS28-L, replace the "L" with the desired length.