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Quality Assurance

We have a professional QC team of 18 technicians who effectively and strictly control all internal processes during the manufacturing. Our premium quality comes from advanced core circuit design, massive signal modeling simulation design, auto test software, BGA, SMT, wire bond process, automatic production line, premium and superior instruments & equipment, and complete quality assurance system.

All of our RF power amplifiers and microwave component are rigorous inspected before delivery with the testing procedures:

Eight hours' burn-in testing

Automated network analysis and spectrum analysis

High/Low temperature chamber testing

Highly Accelerated Stress Screen (HASS)

We have designed a visualized manufacturing traceability system to ensure every batch and every item can be tracked back to a specific production run or cycle time. Even the returned defective material from customers can be easily predicted the causes and get fast repaired.

Keylink is also proud to have the automatic test platform and smart data analysis software, that greatly reduce the manual error and ensure fast and precise screening.


All our products are with 1-3 years' warranty accordingly. Services are always available even the items are out of warranty status.

Any item requiring service, just contact our service department at info@keylinkmw.com for a Return Material Authorization (RMA) number.


Keylink Microwave is an ISO 9001: 2008 certified manufacturer. All stages of our designing, manufacturing and inspection work are implemented strictly on ISO 9001 quality system standard to assure you of consistent and reliable products.

We are also an eco-friendly RF Power Amplifier manufacturer with ISO 14001 as our conduct basis.

All our RF power amplifier and microwave components have passed the CE certificate.

  • IQnet and CQC

    IQnet and CQC

  • ISO Certification

    ISO Certification

  • CE Certification

    CE Certification

  • RoHS Certification

    RoHS Certification

Chengdu KeyLink Microwave Technology Co., Ltd. (Group Company)
Chengdu KeyLink Wireless Technology Co., Ltd. (Wholly-owned subsidiary)

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