The WR229 Locking from Sector Microwave Industries is a Waveguide Switch with Frequency 3.3 to 4.9 GHz, Insertion Loss 0.02 dB, Isolation 80 dB, Supply Voltage -54 to 32 V, Current 0.5 to 2 A. Tags: Motorized. More details for WR229 Locking can be seen below.