The PX1004 from Murata is a Band Pass Filter with Frequency 82.17 to 82.23 MHz, Bandwidth 0.03 MHz, Center Frequency 82.2 MHz, Insertion Loss 3 to 4 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for PX1004 can be seen below.