The F-WGC1-714044 from ETL Systems is a Waveguide Filter with Frequency 3.8 to 4.2 GHz, Input Power 100 W, Insertion Loss 0.5 dB, Operating Temperature -20 to 50 Degree C, Rejection Frequency 3400 to 3750 MHz / 4230 to 6500 MHz. Tags: Band Pass. More details for F-WGC1-714044 can be seen below.