Customized RF Cavity Filter 2856MHz Band Pass Filter
Key Features
Feature |
Advantages |
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

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.
FAQ
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.