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Customized RF Cavity Filter 2856MHz Band Pass Filter

Customized RF Cavity Filter 2856MHz Band Pass Filter

Short Description:

The Big Deal

• Very low insertion loss with excellent power handling

• Very fast roll-off with wide stopband

• Passbands up to 2866MHZ 

• Stopbands up to 20 GHz

• model number:KBF-2856/20-Q5



keenlion can provide customize Cavity Band Stop Filter,  free samples, MOQ≥1

Any inquiries we are happy to reply, pls send your questions and orders.


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  • Product Detail

    Product Tags

    Key Features




    Low insertion loss Low signal loss results in better SNR in receiver front end and better power delivery to antenna in transmitter
    Fast roll-off Higher selectivity results in better adjacent channel rejection and dynamic range
    Wide stopband Wide spur free band results in better receiver sensitivity
    High power handling Well suited for transmitter application
    Protective assembly Prevents accidental de-tuning of precisely tuned resonant circuit


    Main Indicators

    Product Name Cavity Filter
    Center Frequency 2856MHz
    Bandwidth 20MHz
    Insertion Loss ≤1dB @ F0 ± 5MHz     ≤2dB @ F0 ± 10MHz
    Ripple ≤1dB
    Return Loss ≥18dB
    Rejection ≥40dB @ F0 ± 100MHz
    Port Connectors SMA-Female

    Outline Drawing

    Cavity Filter (1)

    Packaging & Delivery

    Selling Units:Single item

    Single package size: 12X15X4 cm

    Single gross weight:0.5kg

    Package Type:Export Carton Package

    Lead Time:

    Quantity(Pieces) 1 - 1 2 - 500 >500
    Est. Time(days) 15 40 To be negotiated

    Company Profile

    1.Company Name:Sichuan Keenlion Microwave Technology

    2. Date of establishment:Sichuan Keenlion Microwave Technology Founded in 2004.Located in Chengdu, Sichuan Province, China.

    3. Product classification:We provide high-performance mirrowave components and related services for microwave applications at home and abroad. The products are cost-effective, including various power distributors, directional couplers, filters, combiners, duplexers, customized passive components, isolators and circulators. Our products are specially designed for various extreme environments and temperatures. Specifications can be formulated according to customer requirements and are applicable to all standard and popular frequency bands with various bandwidths from DC to 50GHz.

    4.Product assembly process:The assembly process shall be in strict accordance with the assembly requirements to meet the requirements of light before heavy, small before large, riveting before installation, installation before welding, inner before outer, lower before upper, flat before high, and vulnerable parts before installation. The previous process shall not affect the subsequent process, and the subsequent process shall not change the installation requirements of the previous process.

    5.Quality control: our company strictly controls all indicators in accordance with the indicators provided by customers. After commissioning, it is tested by professional inspectors. After all indicators are tested to be qualified, they are packaged and sent to customers.


    Q.How is quality ensured?

    A.All our processed strictly adhere to ISO9001:2015 procedures, 100% quality test before packing ,we have strict quality control from producing to delivery,100% quality test before packing.

    Q.Could you supply the sample for me to test first?

    A.We are honored to offer you samples. New clients are expected to pay for courier cost,we can make samples according to your need. 

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