The CR-48K Series from Teledyne Relays is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.2 to 1.5 dB, Isolation 50 to 70 dB, Actuator Voltage 12 to 28 V, Actuator Current 140 to 400 mA. Tags: Module with Connectors, Electro-Mechanical, Multi Configuration. More details for CR-48K Series can be seen below.