The DEI9826-91.4649MHz from Dynamic Engineers is a Band Pass Filter with Frequency 91.4399 to 91.4899 MHz, Bandwidth 50 kHz, Center Frequency 91.4649 MHz, Insertion Loss 4 dB, Rejection 30 dB@±50 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9826-91.4649MHz can be seen below.