The CRS-53 from Teledyne Relays is a RF Switch with Frequency DC to 26.5 GHz, Insertion Loss 0.1 to 0.6 dB, Isolation 60 to 80 dB, Supply Voltage 12 to 28 V, Coil Voltage 12 to 28 V. Tags: Module with Connectors, Electro-Mechanical. More details for CRS-53 can be seen below.