The BTRM-50CN from Mini Circuits is a Termination with Frequency DC to 4 GHz, Power 0.5 W, Return Loss 20 to 43 dB, Operating Temperature -55 to 100 Degree C, Storage Temperature -55 to 100 Degree C. Tags: Coaxial Termination. More details for BTRM-50CN can be seen below.