The WR90 Locking from Sector Microwave Industries is a Waveguide Switch with Frequency 8.2 to 12.4 GHz, Insertion Loss 0.05 dB, Isolation 60 dB, Supply Voltage -54 to 32 V, Current 0.5 to 1.5 A. Tags: Motorized. More details for WR90 Locking can be seen below.