LT W: LT455B, C, D, E, F, G, H, HT/W 1. Ceramic filter for communication 2. 500pcs/10 tubes Part number: LT455BW 1. Center frequency (Fo): 4552.0kHz 2. 6dB bandwidth: 15kHz min. 3. 50dB bandwidth: 30kHz max. 4. Stop band attenuation (fo100kHz): 40dB Part number: LT455CW 1. Center frequency (Fo): 4552.0kHz 2. 6dB bandwidth: 12.5kHz min 3. 50dB bandwidth FW: 24kHz max. 4. Stop band attenuation (fo100kHz): 40dB Part number: LT455DW 1. Center frequency (Fo): 4551.5kHz 2. 6dB bandwidth: 10kHz min 3. 50dB bandwidth: 20kHz max. 4. Stop band attenuation (fo100kHz): 40dB Part number: LT455EW 1. Center frequency (Fo): 4551.5kHz 2. 6dB bandwidth: 7.5kHz min 3. 50dB bandwidth: 15kHz max. 4. Stop band attenuation (fo100kHz): 40dB Part number: LT455FW 1. Center frequency (Fo): 4551.5kHz 2. 6dB bandwidth: 6kHz min 3. 50dB bandwidth: 12.5kHz max. 4. Stop band attenuation (Fo100kHz): 40dB