The AM3700B1396 from Anatech Electronics is a Band Pass Filter with Frequency 3.67 to 3.72 GHz, Bandwidth 50 MHz, Center Frequency 3700 MHz, Insertion Loss 7 dB, Upper Rejection 55 dB @ 3770 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM3700B1396 can be seen below.
