SWJ-28-M1-2 is a Ka-band manual switch that covers the frequency range of 22 to 44 GHz. It is an E-plane switch that has four ports which allows four switching positions, two through and two adjacent paths. The switch is a bi-directional, multi-path device which allows clockwise and anti-clockwise switching between two through ports and two adjacent ports. The typical insertion loss and isolation are 0.2 dB and 45 dB, respectively. The RF ports are WR-28 waveguides with UG-599/U flanges. The H-plane version of the switch is offered under model SWJ-28-M1-H.