The CS-37K Series-Latching from Teledyne Relays is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.15 to 1.35 dB, Isolation 50 to 70 dB, Actuator Voltage 12 to 28 V, Actuator Current 250 to 380 mA. Tags: Module with Connectors, Electro-Mechanical. More details for CS-37K Series-Latching can be seen below.