The BN 53 37 66 R000 from Spinner Group is a Termination with Frequency DC to 32 GHz, Power 0.25 W, Return Loss 28 to 40 dB, Operating Temperature 18 to 28 Degree C, Storage Temperature -40 to 70 Degree C. Tags: Module with Connectors, Coaxial Termination. More details for BN 53 37 66 R000 can be seen below.