The 15TM105 from Smiths Interconnect is a Waveguide to Coax Adapter with Frequency 7.1 to 8.5 GHz, Power 12 to 80 W, Insertion Loss 0.15 dB, Operating Temperature -40 to 80 Degree C(Acceptance), Storage Temperature -40 to 95 Degree C. More details for 15TM105 can be seen below.