The CR-33K series-Failsafe from Teledyne Relays is a RF Switch with Frequency DC to 33.5 GHz, Insertion Loss 0.2 to 0.85 dB, Isolation 40 to 70 dB, Actuator Voltage 12 to 28 V, Actuator Current 90 to 250 mA. Tags: Module with Connectors, Electro-Mechanical. More details for CR-33K series-Failsafe can be seen below.