The TERM-25W-183S from Mini Circuits is a Termination with Frequency DC to 18 GHz, Power 25 W, Return Loss 15.5 to 34 dB, Operating Temperature -55 to 100 Degree C, Storage Temperature -55 to 100 Degree C. Tags: Coaxial Termination. More details for TERM-25W-183S can be seen below.