The CR-33M series-Failsafe from Teledyne Relays is a RF Switch with Frequency DC to 3 GHz, Insertion Loss 0.2 to 0.3 dB, Isolation 65 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-33M series-Failsafe can be seen below.