The TIX-3700A-260A34 from Techniwave is a Band Pass Filter with Frequency 3570 to 3830 MHz, Bandwidth 260 MHz, Center Frequency 3700 MHz, Insertion Loss 2 dB, Upper Rejection 30 dB @ F0 ± 400 MHz, 45 dB @ F0 + 800 MHz to 6000 MHz, 40 dB @ 6000 ~ 6500 MHz. Tags: Surface Mount, Dielectric Filter. More details for TIX-3700A-260A34 can be seen below.