Solid State RF Power Amplifier Module & Microwave Amplifier System
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 amplifier (SSPA), narrowband microwave amplifier, high power pulsed amplifier, and RF power amplifier system 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, test and measurement, and other commercial and industrial market.
KeyLink’s RF power amplifier products cover frequencies from 1MHz to 18GHz with a variety of power ratings from several watts to kilo-watts. 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 simple terms, a solid-state power amplifier is a module that integrates and packages circuits with amplification functions to amplify signals.
Wideband amplifiers, with their ability to amplify signals across a wide frequency range, find numerous applications in different industries. In this blog post, we will explore the application areas of wideband amplifiers in wireless communication, mobile phones, satellite communication networks, positioning systems, direct broadcast satellite reception, Intelligent Transportation Systems (ITS) communication technology, and millimeter-wave collision prevention systems.
RF wideband amplifiers are essential components in modern electronic systems that require high-frequency amplification over a wide range of frequencies.
RF power amplifier is an important part of all kinds of wireless transmitters. In the front-end circuit of the transmitter, the power of the RF signal generated by the modulation oscillator circuit is very small, and it needs to go through a series of amplification.

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 1MHz to 18GHz and output power ranges from 5W to 1000W, narrowband radio frequency power amplifiers with frequencies from 100MHz to 14GHz offering a wide dynamic range up to 200W typical saturated power, pulsed microwave amplifiers with frequency from 1MHz to 18GHz, the maximum output power can reach 2000W. In addition, CW RF systems can achieve up to 500W of output power in the frequency range of 1MHz to 18GHz. 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.