The TIX-3700A-250A34 from Techniwave is a Band Pass Filter with Frequency 3575 to 3825 MHz, Bandwidth 250 MHz, Center Frequency 3700 MHz, Insertion Loss 2 dB, Upper Rejection 5 dB @ F0 ±200 MHz, 25 dB @ F0 + 300 MHz, 35 dB @ F0 + 400 MHz. Tags: Surface Mount, Dielectric Filter. More details for TIX-3700A-250A34 can be seen below.