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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Descripton

Notch filter known also as a band stop filter or band stop filter, blocks and rejects frequencies that lie between its two cut-off frequency points passes all those frequencies either side of this range. It is another type of frequency selective circuit that functions in exactly the opposite way to the Band Pass Filter we looked at before. Band-stop filter can be represented as a combination of low-pass and high-pass filters if the bandwidth is wide enough that the two filters do not interact too much.

Applications

• 5G Cellular Infrastructure

• Satellite Communication (SATCOM)

• Spectrum Co-existence Systems

• Public Safety & Military Comms

• RF Test & Measurement

Notch Band	3450-3550MHz
Rejection	≥50dB
Passband	DC-3350MHz & 3650-7000MHz
Insertion Loss	≤2.0dB
Return Loss	≥11dB
Average Power	≤20W
Impedance	50Ω

Notes

1. Specifications are subject to change at any time without any notice.

2. Default is SMA-female connectors. Consult factory for other connector options.

OEM and ODM servies are welcomed. Lumped-element, microstrip, cavity, LC structures custom filter are avaliable according to different applications. SMA, N-Type, F-Type, BNC, TNC, 2.4mm and 2.92mm connectors are avaliable for option.

More customized notch filter/band stop ftiler , Pls reach us at: sales@concept-mw.com.

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3.5 GHz N78 Band Reject Filter