The AM500B1713 from Anatech Electronics is a Band Pass Filter with Frequency 494 to 506 MHz, Bandwidth 12 MHz, Center Frequency 500 MHz, Insertion Loss 2.5 dB, Rejection 40 to 45 dB. Tags: Surface Mount, Ceramic, Ceramic Filter, Monoblock Filter. More details for AM500B1713 can be seen below.