Antenna Research Associates and Empower RF Systems Announce Merger to Build Integrated RF Platform

Analog Devices Acquires Empower Semiconductor

May 19, 2026

IT Services

Analog Devices (ADI) will acquire Empower Semiconductor in an all-cash transaction valued at $1.5 billion, as both companies entered into a definitive agreement. The deal is intended to expand ADI’s high-density, energy-efficient “grid-to-core” power portfolio for AI and other compute-intensive applications.

Artemis Capital Partners Acquires Diamond Antenna and Microwave Corporation

November 14, 2024

Aerospace & Defense

Boston-based private equity firm Artemis Capital Partners has acquired Diamond Antenna and Microwave Corporation, a Littleton, Massachusetts developer and manufacturer of high-reliability RF rotary joints and rotating subsystems for aerospace, defense and space applications. Artemis says Diamond will continue to operate independently from its Littleton facilities and that the firm plans to invest in technical capabilities to deepen Diamond's offerings to prime integrators and government customers.

OceanSound Partners Acquires Antenna Research Associates

November 4, 2024

Aerospace & Defense

OceanSound Partners completed the acquisition of Antenna Research Associates, Inc. (ARA), a Laurel, Maryland-based designer and manufacturer of antennas and RF systems for aerospace and defense markets. Gladstone Capital Corporation exited its equity investment and prepaid its debt; financial terms were not disclosed. ARA's management will remain in operational roles and as investors while OceanSound aims to accelerate growth, expand RF capabilities, and pursue complementary acquisitions.

COMSovereign Holding Corp Acquires RF Engineering & Energy Resource

July 16, 2021

Telecommunications

COMSovereign Holding Corp. (NASDAQ: COMS) has acquired RF Engineering & Energy Resource (RFEQ), a specialist in high-performance microwave antenna design, outsourced manufacturing and distribution, in a transaction involving restricted common stock (~$2.2M) and $550,000 cash. The acquisition brings in advanced antenna design capabilities, experienced engineering personnel and established sales/distribution channels serving tier‑1 telecom customers in the United States and Latin America to COMSovereign’s 4G/5G product portfolio.

Abracon (Riverside-backed) Acquires ProAnt AB

July 8, 2021

Manufacturing

Abracon, the Riverside Company-backed passive components platform, has acquired ProAnt AB, a Sweden-based antenna designer and manufacturer, as an add-on to the Abracon platform. The acquisition expands Abracon's RF and antenna product capabilities and extends its geographic and customer reach across energy metering, medical, automotive and industrial IoT end markets.

AEA Investors Acquires API Technologies Corp.

May 9, 2019

Aerospace & Defense

AEA Investors' Middle Market Private Equity team has completed the acquisition of API Technologies Corp. from J.F. Lehman & Company. API Technologies, headquartered in Marlborough, Massachusetts, is a manufacturer of high‑performance RF/microwave components and subsystems serving aerospace, defense, space and government customers; AEA plans to invest in the company’s position in the radio frequency/microwave components market to support future growth and product modernization.