Specializing in Microwave and RF Components

"The first stop for all your RF/Microwave connectivity needs!"

FirstSource, Inc. divider image

Founded in 1985 by Kimberly Rohde, First Source is a manufacturer's representative and stocking distributor, specializing in RF, Microwave, Lightwave and Millimeterwave components. First Source is a nationally certified, small business, registered with the Department of Defense and listed on the CCR database, (Duns #173800087).

ISO 9001:2015 and AS9120B Certified

We provide RF, Microwave, Millimeterwave, and High Frequency
Components for the Aerospace and Defense Industries, including:


SMPM-LOCK is the smallest connector on the market with a locking system. This connector features electrical performance up to 65 GHz and provides a safe connection in shock and strong vibration environments.
Have a Safe and Happy 4th of July! - Thursday, July 2, 2020
We at First Source, Inc would like to wish you and yours a Safe and Happy 4th of July! Our office will be closed in observance of the holiday on July 3rd.
First Source is pleased to announce Michael Stoffey as our new Director of Sales! Michael is responsible for driving global sales for First Source, with a focus on growing the company’s Defense and Commercial market, as well as Manufacture Supplier client bases.