Solid State RF Power Amplifiers, T/R Modules, RF Assemblies & EW 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 EW 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.
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.
To address the urgent demand for high-power solid-state amplifiers in the Ku-band across fields such as satellite communications, radar systems, and electronic warfare, KeyLink has officially released a comprehensive series of power amplifier modules covering the 10.7–12.7 GHz frequency range. Leveraging advanced GaN technology, this product series offers multiple power levels ranging from 30W to 500W. Furthermore, the modules support WR75 waveguide interfaces—with optional N-type connectors available—providing customers with flexible and reliable RF front-end solutions.
Regarding the 2026 Holiday Schedule: The 2026 Labor Day holiday will run from Friday, May 1st, through Tuesday, May 5th—a total of five days. Saturday, May 9th, will serve as a makeup workday, marking a return to our regular business schedule.
In typical emergency communication environments, such as rescue operations and fieldwork, rapid deployment and durability of communication networks are crucial. Traditional cellular communications are often limited by terrain and infrastructure availability. Mesh networking technology, with its decentralized, self-organizing, and multi-hop relay characteristics, is an ideal solution for building temporary communication networks in extreme conditions.
KeyLink's L/S band solid state power amplifier module–KB0830M47C –meets the ongoing demand for wideband, high-efficiency RF power amplifiers in communication infrastructure, radar systems, and test and measurement fields. This model offers customers a reliable, fast-response RF front-end solution with excellent wideband performance and 30 units in stock.
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.