2.4GHz Cavity Filter – High-Rejection N-Female Bandpass Module for WiFi Access Points, Bluetooth Systems & Industrial Wireless Links
Product Description
In the congested 2.4GHz ISM and WiFi band, out-of-band spurious signals and strong adjacent interference can easily desensitize receivers and degrade data throughput. The 2.4GHz Cavity Filter is engineered to solve this by delivering an exceptional out-of-band rejection and a precise passband, ensuring your wireless devices only process the intended signal. Housed in a rugged black aluminum enclosure with standard N-Female connectors, this compact bandpass filter is an ideal drop-in solution for protecting sensitive front-end RF chains in WiFi access points, Bluetooth radio modules, and industrial long-range wireless equipment.
Typical Applications
- WiFi Access Points: Suppress out-of-band interference to maintain stable 2.4GHz WLAN coverage.
- Bluetooth Radio Modules: Enhance signal purity and reduce noise for reliable short-range communication.
- Industrial Wireless Devices: Filter spurious emissions in long-range industrial transmission equipment.
- ISM Band Equipment: Ensure spectral compliance and protect receivers from adjacent channel interference.
- RF Testing & Measurement: Provide precise bandpass filtering for laboratory and field RF validation.
- Microwave Point-to-Point Links: Improve the signal-to-noise ratio in fixed 2.4GHz wireless bridges.
Technical Specifications
|
Parameter |
Value |
|
Working Frequency |
2402-2422MHz (Center 2400MHz) |
|
Input And Output Impedance |
50Ω |
|
VSWR |
≤1.3 |
|
Insertion Loss |
≤1.5dB |
|
In-Band Ripple |
<0.5dB |
|
Out-of-Band Rejection |
≥80dB |
|
Power Supply |
20W |
|
Operating Temperature |
-40~80℃ |
|
RF Connectors |
N-Female |
|
Housing |
Rugged Aluminum |
|
Surface Finish |
Painted Black |
|
Size |
122*63*26mm |
|
Net Weight |
381g |
|
Intended Use |
Indoor |
Key Advantages
Exceptional Out-of-Band Rejection. With ≥80dB rejection, this filter effectively blocks strong out-of-band signals and spurious emissions, protecting sensitive receiver front-ends from saturation and desensitization in dense RF environments.
Low Insertion Loss and Excellent Matching. Featuring ≤1.5dB insertion loss and VSWR ≤1.3, it ensures minimal signal attenuation within the 2402-2422MHz passband, preserving your transmit power and receive sensitivity.
Rugged Black Aluminum Construction. The compact 122*63*26mm chassis with a painted black finish and N-Female connectors offers excellent mechanical durability and environmental protection for indoor wireless infrastructure and equipment integration.
What's in the Box
- 1 × 2.4GHz Cavity Filter