The T-4700 has 6 ceramic filters: X101 and X105 are Murata SFE10.7MX, believed to have a 250 kHz bandwidth; X102 and X104 are SFE10.7MZ2K-A, 150 kHz bandwidth GDT type; and X103 and X106 are SFE10.7MJK-A, 150 kHz bandwidth non-GDT. The 150 kHz filters are switched in for th...