The CCRT-33 from Teledyne Relays is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.1 to 0.3 dB, Isolation 60 to 70 dB, Supply Voltage 12 to 28 V, Coil Voltage 12 to 28 V. Tags: Module with Connectors, Electro-Mechanical. More details for CCRT-33 can be seen below.