The HDBF16820A24 from Shoulder Electronics is a Band Pass Filter with Frequency 156.8 to 179.2 MHz, Bandwidth 22.4 to 26.2 MHz, Center Frequency 168 MHz, Insertion Loss 11 dB, Power 0.01 W. Tags: Surface Mount, IF SAW Filter. More details for HDBF16820A24 can be seen below.