The AST28FM-19P-P24 from AST Microwave is a Waveguide Switch with Frequency 26.5 to 40 GHz, Power dBm 56.02 dBm, Power Watts 400 W, Insertion Loss 0.15 dB, Isolation 55 dB. Tags: Module with Connector, Waveguide, Manual, Electromechanical, Motorized. More details for AST28FM-19P-P24 can be seen below.