The LTM455HTU from Shoulder Electronics is a Band Pass Filter with Frequency 0.45 to 0.46 MHz, Bandwidth 3 to 9 KHz, Center Frequency 0.455±2.0 MHz, Insertion Loss 6 dB, Ripple 2 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for LTM455HTU can be seen below.