The F-WGBPC1-7042 from ETL Systems is a Waveguide Filter with Frequency 3.4 to 4.2 GHz, Input Power 100 W, Insertion Loss 0.3 dB, Operating Temperature -30 to 65 Degree C, Rejection Frequency DC to 3000 MHz / 4500 to 10500 MHz. Tags: Band Pass. More details for F-WGBPC1-7042 can be seen below.