The WR284 Sealed from Sector Microwave Industries is a Waveguide Switch with Frequency 2.6 to 3.95 GHz, Insertion Loss 0.01 dB, Isolation 80 dB, Supply Voltage -54 to 32 V, Current 1 to 2 A. Tags: Motorized. More details for WR284 Sealed can be seen below.