Notch Filter / Band Stop Filter
-
332–334 MHz Cavity Notch Filter | High Rejection UHF Band Reject Filter for Public Safety & Trunked Radio
Concept model CNF00332M00334Q06N is precision-engineered to reject interference in the 332.35–334.15 MHz band, a critical range for many UHF communication systems. It offers ≥35dB rejection within the notch band while maintaining low insertion loss (≤2.0dB) across the passbands from DC to 330.25 MHz and 336.25 to 833 MHz.
-
100W High Power Notch Filter 5.725-7.125 GHz C-Band & ISM Band Rejection
Concept model CBF04990M05010Q05A is designed to pass signals in the 4990–5010 MHz range with minimal insertion loss (≤1.8dB) while providing exceptional rejection of out-of-band signals. With a narrow 3dB bandwidth of ≤25 MHz, it is ideal for 5 GHz point-to-point microwave links, wireless backhaul systems, satellite communication receivers, and high-dynamic-range test setups.
-
224–226 MHz Cavity Notch Filter | Band Reject Filter for VHF Communication
Concept model CNF00224M00226Q06N is is designed to reject interference in the 224.25–226.25 MHz band while maintaining low insertion loss in the passbands. It is ideal for VHF communication systems, land mobile radio (LMR), public safety networks, and military applications requiring reliable interference suppression.
-
UHF Notch Filter, 612MHz–652MHz Stopband, ≥40dB Rejection
Concept model CNF00612M00652Q09A is a reliable UHF cavity notch filter engineered to provide effective rejection (≥40dB) within the 612MHz–652 MHz frequency range. This filter selectively eliminates unwanted interference in the UHF band while allowing clean signal transmission across two wide passbands: DC–602 MHz and 667MHz–3000 MHz.
-
K-Band Notch Filter, 23–23.4 GHz Stopband, ≥60dB Rejection
Concept model CNF23000M23400Q08A is a precision-engineered K-Band cavity notch filter designed to provide exceptional rejection (≥60dB) within the critical 23GHz–23.4 GHz frequency range. This filter selectively eliminates unwanted signals or interference in the 23GHz band while preserving signal integrity across two wide passbands: DC–21.85 GHz and 24.57GHz–40 GHz
-
High‑Rejection L-Band Notch Filter for 950‑1100MHz Band , 50dB Rejection, N-Female
Concept model CNF00950M01100T08N is a high-performance notch (band-reject) filter designed to suppress interference in the 950–1100MHz frequency range with ≥50dB rejection. It allows uninterrupted signal transmission from DC–840MHz and 1210–6000MHz, making it an ideal solution for systems requiring selective frequency band elimination.
-
X-Band Notch Filter, 8400-8450MHz, 20dB Rejection, 20W, SMA-female
Concept model CNF08400M08450Q06A is a precision X-Band cavity notch filter designed to suppress a narrow band of interference centered at 8.4 GHz (8400-8450 MHz). With ≥20dB rejection in the notch and low insertion loss (≤1.5dB) in the adjacent passbands (8300-8375MHz & 8475-8500MHz), it is an ideal solution for enhancing system performance in sensitive radar, satellite communication (SATCOM), and microwave relay systems where clear channel separation is critical.
-
High-Power Notch Filter for PCS & Satellite Interference – 1930-1990MHz, 50dB, 50W
Concept model CNF01930M01990Q10A is a high-performance cavity notch filter engineered to suppress strong interference within the 1930-1990 MHz frequency band. This range is critical in PCS cellular networks, LTE systems, and S-band satellite communications. Featuring exceptional 50dB rejection and capable of handling up to 50W of average power, this filter ensures receiver protection and signal integrity in the most demanding RF environments.
-
High-Power 50W Notch Filter for Cellular & Broadcast Interference, 650-800MHz @ 40dB, N-Type
Concept model CNF00650M00800T10A is a high-performance cavity notch filter designed to provide deep rejection (≥40dB) within the 650–800MHz frequency band. With an average power handling of 50W and low insertion loss (≤1.2dB) across its passbands (DC–600MHz & 850–2500MHz), this filter is ideal for suppressing interference in high-power RF systems
-
C-Band Notch Filter for 5G n77/n78 & Satellite Coexistence | 3700-3980MHz, 40dB
Concept model CNF03700M03980Q10A is a high-performance C-Band cavity notch filter engineered to suppress interference across the 3700-3980 MHz frequency range—a critical band for 5G NR n77/n78 deployments and satellite C-band uplinks. Featuring ≥40dB rejection and low insertion loss (≤2.0dB) across wide passbands (DC-3600MHz & 4080-7000MHz), this filter is essential for enabling clean spectrum sharing, protecting sensitive receivers, and ensuring compliance in dense RF environments.
-
C-Band (3450-3550MHz) Notch Filter for 5G & Satellite Systems | 50dB Rejection, 20W
Concept model CNF03450M03550Q10A is a high-performance C-Band cavity notch filter designed to provide deep suppression (≥50dB) within the critical 3450-3550 MHz frequency range. This band is central to 5G NR n78 deployments and satellite C-band communications. By effectively eliminating strong interference signals while maintaining low insertion loss (≤2.0dB) across a wide passband (DC-3350MHz & 3650-7000MHz), this filter is essential for ensuring signal integrity, preventing receiver desensitization, and enabling spectrum co-existence in complex RF environments.
-
1.2GHz Notch Filter for GPS/GNSS & Radar Interference, 1166-1300MHz @ 50dB, SMA Female
Concept model CNF01166M01300T10A notch filter is engineered to provide exceptional rejection (≥50dB) within the 1166–1300 MHz frequency band, a range critical for GPS/GNSS (including L5 band), radar, and various communication systems. Designed to suppress strong interfering signals while maintaining low insertion loss across a wide passband (DC–1091MHz & 1375–8000MHz), it is an ideal solution for enhancing system sensitivity and reliability in crowded RF environments