Solid State RF Power Amplifiers, T/R Modules, RF Assemblies & RF Systems
KeyLink Microwave is a world-wide manufacturer specialized in the design and manufacturing of high power RF amplifier module & system. We provide broadband solid state power amplifiers (SSPA), narrowband microwave amplifiers, high power pulsed amplifiers, T/R modules, RF assemblies and RF systems etc. KeyLink supports the most stable ready-to-ship COTs radio frequency power amplifiers and the most technologically advanced OEM solutions for radar, jamming, communication, EMC, and other commercial and industrial market.
* Hot: To celebrate the end of the year, KeyLink is launching its biggest promotion of the year (until December 31, 2025): enjoy incredible discounts on its in stock RF power amplifiers, with some products seeing price reductions of up to 40%. The promotion covers frequency bands from 20MHz to 18GHz, making this the perfect time to achieve your project goals at the best possible cost. Please contact us for more information.*
KeyLink’s RF power amplifier products cover frequencies from 1MHz to 46GHz with a variety of power ratings from several watts to kilowatts. Our high power radio frequency amplifiers and systems are engineered and produced to meet the most challenging performance requirements. KeyLink Microwave has been the preferred supplier in the worldwide radio frequency power amplifier industry and will always focus on your high performance RF microwave power amplifier application needs. In the future, we will never cease our step but seek deeper cooperation with our clients and reach higher level in technology. Join KeyLink, and work for the better.
As 2025 draws to a close, KeyLink has officially launched a multi-band "Year-End RF Product In-Stock Special Offer Event." This event covers many popular RF amplifier and component models, with discounts up to 40%, and products can be delivered within 1-3 weeks, ensuring you receive your goods smoothly before the end of the year. We hope that this event will enable more customers to access KeyLink's high-quality RF products at better costs, while also preparing for the launch of our new products next year.
In RF applications demanding higher power and efficiency, narrowband high-power amplifiers remain an irreplaceable technology choice due to their exceptional performance at specific frequencies. This week, KeyLink is launching a special offer on ten core narrowband high-power amplifiers from its inventory, covering multiple key frequencies in the P, L, S, and C bands. These amplifiers provide customers with high-efficiency, high-reliability "precision power" solutions for systems in broadcast television, dedicated communications, radar, and industrial heating.
KeyLink's current special offer focuses on its wideband series up to 6GHz, covering multiple key frequency bands including 1-1.7GHz, 1-2GHz, 1-6GHz, and 2-6GHz. It provides complete power solutions from 20W to 200W at highly competitive prices, aiming to help customers accelerate project deployment at the optimal cost.
KeyLink, a leading RF technology company, officially launched its "Express Delivery Program for RF Power Amplifiers" this week. This program offers a double guarantee of a standard 2-week lead time and limited-time special pricing for its core product lines, helping customers gain a competitive edge at critical project moments.
Product Catalog Download rev. 2023
The catalog presents KeyLink's advanced production lines and superior R&D capability, which guarantee the excellent performance of RF amplifiers and RF systems. Also, the catalog lists all of KeyLink's CoTs and details RF power amplifiers and RF systems by bandwidth.
DOWNLOAD NOW2022 KeyLink Microwave Corporate Video
RF amplifier (Radio frequency amplifier)
Our RF amplifier modules include: broadband solid state RF power amplifiers with frequencies from 1.5MHz to 46GHz and output power ranges from 5W to 1000W; narrowband radio frequency power amplifiers with frequencies from 1MHz to 46GHz offering a wide dynamic range up to 200W typical saturated power; pulsed microwave amplifiers with frequency from 1MHz to 46GHz, the maximum output power can reach 2000W. In addition, CW RF systems can achieve up to 2000W of output power in the frequency range of 1.5MHz to 46GHz. All KeyLink solid state power amplifiers are CE, ISO9001, RoHS and REACH compliant to ensure product quality and stability.
Solid State Power Amplifier System
Solid state power amplifier system is an electronic amplifier which uses solid state devices including GaN, GaAs, LDMOS and bipolar device technologies for jamming, test and measurement, communication, radar and other RF and microwave industries. KeyLink provides broadband and narrowband, high power rf and microwave amplifier solutions to OEM systems.