The CRT-50U Series-Latching from Teledyne Relays is a RF Switch with Frequency DC to 52 GHz, Insertion Loss 0.2 to 1.3 dB, Isolation 50 to 80 dB, Supply Voltage 0 to 5.5 V, Actuator Voltage 12 to 28 V. Tags: Module with Connectors, Electro-Mechanical. More details for CRT-50U Series-Latching can be seen below.