Freflex supplies high stopband rejection waveguide band pass filters cover frequency range 3~40GHz. The waveguide band pass filters are widely used in many applications.
Features:
- High Stopband Rejection
- Small Size
- Light Weight
- Anti 5G Interference
Applications:
- Telecom
- Laboratory Test
- Receivers
- Satellite Earth Station

Part Number | Passband (GHz) | Insertion Loss (dB,Max.) |
VSWR (Max.) | Stopband Attenuation (dB) | Waveguide Size | Flange |
---|---|---|---|---|---|---|
FWBF-3625-4200-40 | 3.625~4.2 | 0.8 | 1.35 | -50@3.4GHz, -60@3.5GHz, -45@3.55~3.6GHz, -40@3.6GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
FWBF-3700-4200-45 | 3.7~4.2 | 0.5 | 1.35 | -60@3.4GHz, -65@3.5GHz, -65@3.55~3.6GHz, -60@3.6GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
FWBF-3800-4200-45 | 3.8~4.2 | 0.5 | 1.35 | -60@3.5GHz, -65@3.6GHz, -60@3.7GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
FWBF-5662-20 | 5.662 | 0.7 | 1.5 | 20@5.642GHz, 20@5.682GHz | WR-159 (BJ58) | FDP58 |
FWBF-7900-8400-90 | 7.9~8.4 | 0.4 | 1.2 | 90@7.25~7.75GHz | WR-112 (BJ84) | FBP84 |
FWBF-14930-20 | 14.93 | 1 | 1.5 | 20@14.9GHz, 20@14.96GHz | WR-62 (BJ140) | FBP140 |
FWBF-37760-38260-47 | 37.76~38.26 | 0.6 | 1.3 | 50@36GHz, 47@39.3GHz | WR-28 (BJ320) | FBM320 |
FWBF-39060-39560-48 | 39.06~39.56 | 0.6 | 1.3 | 48@38.015GHz, 50@41.4GHz | WR-28 (BJ320) | FBM320 |
FWBF-86000-94000-40 | 86~94 | 2 | 1.8 | 40@DC~82GHz, 40@98~106GHz | WR-10 (BJ900) | UG-387/UM |