Weinschel by Spectrum Control formerly APITech was originally Aeroflex Weinschel who has been in Business for over 60 years and were one of the first companies to design and manufacture commercially available coaxial attenuators. Weinschel develops RF and microwave components and subsystems for wireless, defense, test and measurement, and broadband markets throughout the world. Their product offering includes Attenuators, Terminations, Power Dividers and a number of other passive components. They have a 35,000 square foot facility, located in Frederick, Maryland, and are certified to ISO 9001-2008 standards. Click here to see the Spectrum Control profile.