The 284WECAN_PB from A-Info is a Waveguide to Coax Adapter with Frequency 2.60 to 3.95 GHz, Power 300 W, Peak Power 3 kW, Insertion Loss 0.18 to 0.20 dB, Operating Temperature -55 to 85 Degree C. Tags: Endlaunch. More details for 284WECAN_PB can be seen below.