Notch Filter / Band Stop Filter
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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.
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5G UE Uplink Notch Filter | 40dB Rejection @ 1930-1995MHz | for Satellite Earth Station Protection
Concept model CNF01930M01995Q10N1 RF notch filter is designed to solve a modern RF challenge: overpowering interference from 4G and 5G User Equipment (UE) transmitting in the 1930-1995MHz band. This band is critical for UMTS/LTE/5G NR uplink channels.
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2100MHz Notch Filter for Anti-Drone Systems | 40dB Rejection @ 2110-2200MHz
Concept model CNF02110M02200Q10N1 cavity notch filter is designed to combat interference in the 2110-2200MHz band, a cornerstone of global 3G (UMTS) and 4G (LTE Band 1) networks and increasingly used for 5G. This band creates significant RF noise that can desensitize and blind drone detection systems operating in the popular 2.4GHz spectrum
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LTE Band 7 Notch Filter for Counter-Drone Systems | 40dB Rejection @ 2620-2690MHz
Concept model CNF02620M02690Q10N1 is a high-rejection cavity notch filter is engineered to solve the #1 problem for urban Counter-UAS (CUAS) operations: interference from powerful LTE Band 7 and 5G n7 base station downlink signals. These signals saturate receivers in the 2620-2690MHz band, blinding RF detection systems to crucial drone and C2 signals.
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CUAS RF Notch Filter for North America | Reject 850-894MHz 4G/5G Interference |>40dB for Drone Detection
Concept model CNF00850M00894T08A cavity notch filter is engineered specifically for Counter-Unmanned Aerial System (CUAS) and drone detection platforms operating in North America. It surgically removes overpowering 4G and 5G mobile network interference in the 850-894MHz band (Band 5), which is a primary source of noise that blinds RF-based detection sensors. By installing this filter, your system gains the critical clarity needed to detect, identify, and track unauthorized drones with maximum reliability
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Anti-Drone RF Cavity Notch Filter for Radar & RF Detection | 40dB Rejection from 758-803MHz | Wideband DC-6GHz
Concept CNF00758M00803T08A high-rejection notch filter is specifically designed for Counter-UAS (CUAS) and drone detection systems. It solves critical mobile network interference (4G/5G) in the 758-803MHz band, allowing your radar and RF sensors to operate effectively in urban environments
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Cavity Notch Filter with 40dB Rejection from 1000MHz-2000MHz
Concept model CNF01000M02000T12A is a cavity notch filter/band stop filter with 40dB rejection from 1000-2000MHz . It has a Typ. 1.5dB insertion loss and Typ.1.8 VSWR from DC-800MHz & 2400-8000MHz with excellent temperature performances . This model is outfitted with SMA-female connectors.