Notch Filter / Band Stop Filter
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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.
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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
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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.
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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.
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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.
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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
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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.
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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.
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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
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Ultra-Narrow L-Band Notch Filter, 1616.020833MHz Center, ≥50dB Rejection for Satellite Band
Concept model CNF01616M01616Q08A1 cavity notch filter is engineered to provide robust protection for the sensitive 1616MHz frequency band. With its ultra-narrow notch centered at 1616.020833MHz ±25KHz and delivering ≥50dB of rejection, it is an essential component for eliminating harmful interference in critical satellite communication and satellite navigation (GNSS) receive paths
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Ultra-Narrow L-Band Notch Filter, 1626MHz Center, ≥50dB Rejection for Satellite Band Protection
Concept model CNF01626M01626Q08A1 cavity notch filter is designed to provide exceptional protection for the critical 1626MHz satellite frequency band. Featuring an ultra-narrow notch band centered at 1625.98MHz ±25KHz and delivering ≥50dB of rejection, it is the definitive solution for eliminating strong interference in sensitive L-band satellite receive chains, particularly for COSPAS-SARSAT and other satellite communication systems.
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Ultra-Narrow L-Band Notch Filter, 1621.020833MHz Center, ≥50dB Rejection
Concept model CNF01621M01621Q08A1 cavity notch filter is designed to offer precise protection for the 1621MHz frequency band. Characterized by its ultra-narrow notch centered at 1621.020833MHz ±25KHz and ≥50dB of rejection, it serves as a critical component for eliminating interference in sensitive satellite communication receive paths, ensuring signal integrity and system reliability.