The QMC-CRYODPLX-0218 from Quantum Microwave is a Diplexer with Frequency f1 DC to 500 MHz, Frequency f2 2 to 18 GHz, Insertion loss 0.5 dB, Insertion loss f2 0.5 dB, DC Current 225 mA. Tags: Module with Connectors, Cryogenic. More details for QMC-CRYODPLX-0218 can be seen below.