The 159-230-2-2 from Narda-MITEQ is a Waveguide Pressure Window with Frequency 4.9 to 7.05 GHz, Pressure 30 PSIG, Peak Power 1000 KW, Power 1200 W, Operating Temperature -40 to 120 Degree C. Tags: Rectangular. More details for 159-230-2-2 can be seen below.