The PX1004-1 from Murata is a Band Pass Filter with Frequency 82.15 to 82.25 MHz, Bandwidth 0.05 MHz, Center Frequency 82.2 MHz, Insertion Loss 3 to 5.5 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for PX1004-1 can be seen below.