The CR-33 from Teledyne Relays is a RF Switch with Frequency DC to 22 GHz, Insertion Loss 0.1 to 0.3 dB, Isolation 70 to 90 dB, Supply Voltage 12 to 28 V, Coil Voltage 12 to 28 V. Tags: Module with Connectors, Electro-Mechanical. More details for CR-33 can be seen below.