Keylink Microwave
Keylink Microwave is a Chengdu-based, privately-held manufacturer founded in 2002 that designs and produces high-power RF amplifier modules, subsystems, and microwave components for global defense, electronic warfare, satellite communications, and EMC test-and-measurement customers using GaN, GaAs, and LDMOS semiconductor technologies.
- Company typePrivate
- Founded2002
- HeadquartersChengdu, China
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Keylink Microwave does
Keylink Microwave is a Chengdu, China-headquartered, privately-held manufacturer founded in 2002 that designs and produces high-power RF amplifier modules, subsystems, and related microwave components for global defense, electronic warfare, communications, and test-and-measurement customers. The company specializes in Solid State Power Amplifiers (SSPAs) covering frequencies from 1 MHz to 46 GHz with output power ranging from a few watts to 2,000 W, spanning broadband, narrowband, and pulsed amplifier configurations in 1U–4U rack-mounted system form factors as well as compact module designs. Supporting products include RF circulators, Ku/Ka-band Block-Up-Converters (BUCs) for satellite communications, T/R modules, RF assemblies, and EW systems, alongside an anti-drone system offered as an integrated solution.
The technical foundation rests on semiconductor device expertise across Gallium Nitride (GaN), Gallium Arsenide (GaAs), LDMOS, and bipolar technologies, with GaN cited for higher power density (70 W/sq.mm dissipation vs. 12 W/sq.mm for LDMOS) and superior thermal performance. Manufacturing is conducted in-house with SMT production lines, vacuum reflow soldering (claimed to reduce voids/inclusions by 99%), laser welding (gas-tight, aerospace compliant), and a 100,000 Class Clean Room, housed across a headquarters site and a 50,000 sq ft manufacturing base with a 5,400 sq ft laboratory targeting Phase 1 output of 3,000 units per month.
The business model is hardware sales of both ready-to-ship COTS amplifier products and bespoke OEM solutions, priced predominantly via quote with selected COTS list pricing (e.g., USD 1,600–1,800 for entry-level SSPA modules). Go-to-market is enterprise field sales through a direct website Quick Quote system, email, and trade show participation (EuMW, IMS, IBC, Expo Electronica), with overseas customers served through the wholly-owned subsidiary Chengdu KeyLink Wireless Technology Co., Ltd. The customer base spans four primary verticals — radar/defense, electronic warfare/jamming, communications (including 5G and satellite), and EMC test/measurement — plus a secondary commercial/industrial segment, with no third-party distributors and certifications including ISO9001:2008, CE, RoHS, and REACH.
Keylink Microwave firmographics
Firmographics- Name
- Keylink Microwave
- Legal name
- Keylink Microwave
- Website
- https://keylinkmw.com
- Company type
- Private
- Founded year
- 2002
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Keylink Microwave is a Chengdu-based, privately-held manufacturer founded in 2002 that designs and produces high-power RF amplifier modules, subsystems, and microwave components for global defense, electronic warfare, satellite communications, and EMC test-and-measurement customers using GaN, GaAs, and LDMOS semiconductor technologies.
- Ownership category
- akta.pro rank
Keylink Microwave industry classification
Industry- Product category
- RF and Microwave Power Amplifiers
- NAICS
- Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (334220)
- SIC
- Radio & Tv Broadcasting & Communications Equipment (3663)
- akta.pro primary industry
- Power Amplifiers (PAs) & Envelope Tracking ICs (HDAHAMAB)
Keywords
Where Keylink Microwave is headquartered
LocationHeadquarters
- HQ city
- Chengdu
- HQ country
- China
- HQ region
- Asia
Offices2 records
Markets served
Keylink Microwave business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Technology or R&D, Infrastructure, Operations, Marketing or Sales
Revenue model
- RF Power Amplifier Modules: Sale of solid state power amplifier modules including broadband, narrowband, and pulsed amplifiers with frequencies from 1MHz to 46GHz and power levels from 5W to 2000W.
- RF Amplifier Systems: Rack-mounted power amplifier systems in various configurations (1U to 4U) with output power from 5W to 2000W for EMC testing, communications, TWT replacement, and other applications.
- Custom OEM Solutions: Bespoke amplifier design and manufacturing services for specific customer requirements, including T/R modules, RF assemblies, and EW systems.
- RF Circulators and Components: RF circulators and other microwave components for system integration.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Entry-level SSPA Module 0.5-2.5GHz 50W |
| Unit Pricing | Pay-as-you-go | Broadband Amplifier KB0727M47C (700-2700MHz, 50W) |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Keylink Microwave product offering
Product offeringCore offering
Keylink Microwave designs and manufactures high-power Solid State Power Amplifier (SSPA) modules and RF subsystems covering 1 MHz to 46 GHz with output power from 5 W to 2,000 W, using GaN, GaAs, and LDMOS device technologies. The company sells both ready-to-ship COTS amplifier products and custom OEM RF assemblies—including T/R modules, EW systems, RF circulators, and block-up-converters—for radar, electronic warfare/jamming, satellite/5G communications, and EMC test and measurement customers.
Product overview
Keylink Microwave is a manufacturer specializing in high power RF amplifier module and system design and manufacturing. The product portfolio centers on Solid State Power Amplifiers (SSPAs) and RF subsystems, organized into four main categories: Broadband Amplifiers (1.5 MHz to 46 GHz, 5W-1000W), Narrowband Amplifiers (1 MHz to 46 GHz, up to 200W), Pulsed Amplifiers (up to 2000W), and RF Amplifier Subsystems (rack-mount systems 5W-2000W). Supporting products include RF Circulators, Block-Up-converters (BUCs) for satellite communications, and T/R modules. The company also produces specialized subsystems for jamming, radar, communication, and test & measurement applications. All products utilize semiconductor technologies including GaN, GaAs, and LDMOS.
Differentiator
Problem solved
Functional benefit
Products and services
- RF Broadband High Power Amplifiers High power RF amplifiers with ultra-wide frequency bands from 1.5 MHz to 46 GHz and output power from 5 W to 1000 W, designed for radar, jamming, communication, and test and measurement applications.
- RF Narrowband High Power Amplifiers Narrowband radio frequency power amplifiers with frequencies from 1 MHz to 46 GHz offering wide dynamic range up to 200 W typical saturated power.
- RF Pulsed High Power Amplifiers Pulsed microwave amplifiers with frequencies from 1 MHz to 46 GHz and maximum output power reaching 2000 W for pulse applications such as radar.
- RF Amplifier Subsystem Rack-mountable amplifier systems with universal voltage power supply and built-in forced air-cooling, output power capacity from 5 W to 2000 W.
- RF Circulator RF circulator components used in RF front-end applications and system integration.
- Block-Up-Converters (BUCs) Ku/Ka band block-up-converters designed for satellite communication applications, covering key uplink and downlink frequency bands.
- Custom OEM RF Solutions Bespoke amplifier design and OEM manufacturing for specific customer requirements, including T/R modules, RF assemblies, and EW systems.
Quantifiable outcome
- SMT vacuum reflow oven reduces inclusions/voids by 99%
- +1 more outcomes
Companies that use Keylink Microwave
Customer profileSegments5 records
Ideal customer profiles4 records
Keylink Microwave technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Keylink Microwave partnerships and signals
Strategic signalScale indicators6 records
Recent moves8 records
Expansion highlights3 records
Keylink Microwave competitors and assessment
Company assessmentBroad incumbents
- MACOM Technology Solutions: Large US semiconductor company with a broad RF power amplifier portfolio (including GaN-on-SiC) targeting defense radar, EW, and commercial wireless. A broad-line incumbent that overlaps with KeyLink across multiple frequency and power bands.
- Qorvo: Major US RF semiconductor vendor with GaN power amplifier products serving defense, aerospace, and 5G infrastructure. A broad-line incumbent competing with KeyLink in both component and module-level markets.
- Ampleon: Netherlands-based RF power amplifier specialist (spun out of NXP) focused on LDMOS and GaN for broadcast, communications, and industrial RF. Comparable product portfolio with broader geographic and OEM reach.
- NXP Semiconductors (RF Power): Global semiconductor leader with a legacy RF power amplifier business serving cellular base stations, broadcast, and industrial RF. A broad-line incumbent with significantly larger scale and customer base.
Direct peers
- RFHIC: Korean GaN-based RF power amplifier and transistor manufacturer serving radar, EW, and communication markets. Comparable technology stack (GaN/Si-LDMOS), frequency range, and global defense/commercial customer overlap.
- Aethercomm: US-based specialist in high-power, broadband RF amplifiers for electronic warfare, radar, and communications. Closely matches KeyLink's narrowband/pulsed/broadband product mix and defense-oriented customer base.
- Ciao Wireless: US-based designer and manufacturer of broadband, high-power RF amplifiers and subsystems. Comparable in scale, product focus, and customer base (defense/EW/commercial).
- Empower RF Systems: US-based manufacturer of high-power solid-state RF amplifiers and subsystems covering broadband, narrowband, and pulsed applications for EMC, defense, and communications — a directly comparable product portfolio and customer base to KeyLink Microwave.
Emerging players
- Custom MMIC: US-based designer and manufacturer of GaAs and GaN MMIC-based amplifiers for defense and commercial RF applications. Smaller and more focused than the broad incumbents, with overlapping frequency and power ranges.
Others
- Wolfspeed: US-based pure-play GaN-on-SiC RF device manufacturer that sits upstream of KeyLink as a key supplier of GaN transistors. Not a direct competitor but its product roadmap, pricing, and export status materially affect KeyLink's cost structure and competitive position.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Keylink Microwave social profiles
Digital presenceKeylink Microwave compliance and trust
Trust signalCompliance4 records
Keylink Microwave financial estimates
Financial estimateRevenue estimate
Valuation estimate
Keylink Microwave leadership team
Management profileNumber of profiles
Profiles3 records
Keylink Microwave subsidiaries and ownership
Company hierarchySubsidiaries1 record
Keylink Microwave funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Keylink Microwave M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Keylink Microwave
What does Keylink Microwave do?
Keylink Microwave designs and manufactures high-power Solid State Power Amplifier (SSPA) modules and RF subsystems covering 1 MHz to 46 GHz with output power from 5 W to 2,000 W, using GaN, GaAs, and LDMOS device technologies. The company sells both ready-to-ship COTS amplifier products and custom OEM RF assemblies—including T/R modules, EW systems, RF circulators, and block-up-converters—for radar, electronic warfare/jamming, satellite/5G communications, and EMC test and measurement customers.
Is Keylink Microwave a public or private company?
Keylink Microwave is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Keylink Microwave founded?
Keylink Microwave was founded in 2002. It employs 251 to 500 people.
Where is Keylink Microwave based?
Keylink Microwave is headquartered in Chengdu, China, in the Asia region.
How does Keylink Microwave make money?
Four revenue lines are on record. RF Power Amplifier Modules are the primary driver. The others are RF Amplifier Systems, custom OEM Solutions and RF Circulators and Components.
Who are Keylink Microwave's main competitors?
Broad incumbents on record are MACOM Technology Solutions, Qorvo, Ampleon and NXP Semiconductors (RF Power). Direct peers are RFHIC, Aethercomm, Ciao Wireless and Empower RF Systems. Custom MMIC is listed as an emerging player. Wolfspeed is listed as an others.
Does Keylink Microwave have an API?
No public API is recorded for Keylink Microwave.
What industry is Keylink Microwave in?
Keylink Microwave's product category is RF and Microwave Power Amplifiers. Its primary akta.pro industry code is HDAHAMAB, Power Amplifiers (PAs) & Envelope Tracking ICs. Its NAICS code is 334220 and its SIC code is 3663.