Dow-Key Microwave’s Quality Management System is certified to AS9100 for the following: 

Design, manufacture, inspection, and test of RF and Microwave Electro-Mechanical Switches, Relays, and Switch Matrices with applications in the Military, Space/Hi-Rel, and Commercial markets.

Dow-Key’s Quality System is registered by DEKRA Certification, Inc. for AS9100

Dow-Key is an FAA 14 CRF part 21 Part Manufacturing Approval holder:

See our certification here.

Soldering and Workmanship Standards

Dow-Key is compliant with the following soldering and workmanship standards:

  • IPC J-STD-001
  • IPC J-STD-001S (For Space Products)
  • IPC-A-610 Class 3
  • NASA-STD 8739.3 (When Required)

On-site Environmental Test Lab

Dow-Key’s full in-house environmental testing facility includes:

  • Vibration and Shock
  • Temperature Chambers
  • Thermal Vacuum Chambers
  • Thermal Shock Chambers
  • High Power Radio Frequency
  • Network Analyzers up to 65 GHz
  • Passive Inter-Modulation (PIM)
  • Multipaction

Dow-Key’s Quality Policy

Dow-Key continuously improves to meet quality and delivery requirements for total customer satisfaction.  Dow-Key is dedicated to the achievement of customer satisfaction by empowering our employees to continuously improve the quality, cost, and delivery of our products and services.


Dow-Key’s inspection capabilities include:

  • Optical Coordinate-Measuring Machine
  • Coordinate-Measuring Machine
  • X-Ray Florescence Analyzer

Clean Room Capacity

Dow-Key has a clean room facility for Space and Hi-Rel products that includes:

  • Two Class 7 Clean Rooms to ISO 14644-1
  • Class 5 Flow Bench Assemblies


Dow-Key maintains calibration of test and measurement equipment through qualified outside sources and Original Equipment Manufacturers. Calibration standards are traceable to the National Institute of Standards and Technology (NIST).