The CR-49K Series from Teledyne Relays is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.2 to 1.40 dB, Isolation 60 to 80 dB, Actuator Voltage 12 to 28 V, Actuator Current 90 to 255 mA. Tags: Module with Connectors, Electro-Mechanical, Multi Configuration. More details for CR-49K Series can be seen below.