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What is the purpose of a cavity resonator? 2878-2882MHz Cavity Filter in Modern Passive Networks
A cavity resonator stores RF energy in a standing-wave pattern and returns it only at the intended frequency. The 2878-2882MHz Cavity Filter produced by Chengdu-based Keenlion applies this principle through a quarter-wave coaxial cavity: silver-plated walls define a 2880...Read more -
What should my 4-18GHz high pass filter be set at?
Keenlion’s 4-18GHz High Pass Filter prioritizes stability and compatibility. Its passband (4-18GHz) aligns with many international high-frequency standards, ensuring seamless integration into existing systems. Manufactured in Keenlion’s Chengdu factory, the 4-18GHz High ...Read more -
What does the nasal cavity filter for 2878-2882MHz?
Chengdu, September 22, 2025 – Keenlion Microwave Technology completed the first production run of its 2878-2882 MHz cavity filter last month. Designed for small cell and IoT radios, this compact filter transmits signals in the 2.48 GHz band without leaking into the adjac...Read more -
Sichuan Keenlion to Showcase Next-Gen Microwave Technology at Jaarbeurs Utrecht
ichuan Keenlion Microwave Technology Co., Ltd. will return to Europe this September and occupy stand A119 at JAARBEURS UTRECHT, THE NETHERLANDS from 21-26 September 2025. Engineers, distributors and system integrator...Read more -
What a Combiner in RF? Keenlion’s 703-2689.9 MHz 4-Band RF Combiner Delivers ≤2 dB Loss
What a combiner in RF? It is a passive device that merges several frequency bands into one feed line while maintaining isolation. Keenlion’s latest 703-2689.9 MHz 4-band RF Combiner answers that question with laboratory-verified Insertion Loss ≤2.0 dB, Ripple ≤1.5:1 dB a...Read more -
How Do RF Cavity Filters Work? Keenlion Explains with New 471-481MHz Design
An RF Cavity Filter works by storing energy in a resonant metallic cavity and releasing only the desired frequency while reflecting the rest. In Keenlion’s new 471-481 MHz Cavity Filter, a precisely machined aluminum chamber acts as a high-Q resonator, permitting signals...Read more -
703-2689.9MHZ 4 Band Combiner – Keenlion Factory Solution for Multi-Band Efficiency
The 703-2689.9MHZ 4 Band Combiner is the newest member of Keenlion’s passive portfolio, engineered to merge four discrete cellular, LTE and 5G bands into a single feed without compromise. Built inside our 20 years old, ISO-9001 certified plant, every 703-2689.9MHZ 4 Band...Read more -
What is the Q Factor of a Cavity Filter? Keenlion’s 975-1005MHz Design Achieves ≤1.0dB Insertion Loss
Q Factor: The Efficiency Engine of Cavity FiltersThe Q Factor (Quality Factor) defines a Cavity Filter’s ability to store energy versus dissipate it. For Keenlion’s 975-1005MHz Cavity Filter, a high Q Factor (>5,000) directly minimizes Insertion Loss to ≤1.0 dB—valida...Read more -
What is the Insertion Loss of a Cavity Filter? Keenlion Confirms ≤1.0 dB for 975-1005 MHz Model
Keenlion’s newly released 975-1005 MHz Cavity Filter answers with an unequivocal insertion loss ≤1.0 dB across the entire 30 MHz bandwidth.In our ISO-9001 laboratory, 100 production samples of the 975-1005 MHz Cavity Filter were swept on a Keysight PNA-X. Every Cavity Fi...Read more -
What the Return Loss of a Cavity Filter? Keenlion Confirms ≥15 dB for New 975-1005MHz Cavity Filter
When engineers ask “What the return loss of a cavity filter?”, they are really asking for the guarantee that precious signal power is not reflected back to the source. Keenlion’s latest 975-1005 MHz Cavity Filter answers that question with a decisive ≥15 dB return loss a...Read more -
Keenlion Unveils Compact 2000-4000MHz Customized Dielectric Resonator Filter for Next-Gen Telecom Systems
Sichuan, China ,7,17,2025, Keenlion, a leading RF component manufacturer, today launched its breakthrough 2000-4000MHz Small Size Customized Dielectric Resonator Filter, engineered to address space and performance challenges in 5G infrastructure and satellite communicati...Read more -
4500-5900MHz LC Filter: Your Go-To for Exceptional Signal Performance
The 4500-5900MHz LC Filter excels in space-constrained telecom setups with its compact build, seamlessly integrating into 5G devices without sacrificing performance. Its standout strength lies in powerful band rejection, ensuring pristine signal transmission within the 4...Read more
Sichuan Keenlion Microwave Technology Co., Ltd.
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