On February 25, 2026, AmpliTech Group, Inc. (NASDAQ: AMPG) and researchers from Northeastern University’s Institute for Intelligent Networked Systems showcased the first end‑to‑end massive‑MIMO (mMIMO) O‑RAN system that operates on Category B fronthaul. The demonstration combined AmpliTech’s commercial‑grade 64T64R radio unit with the OpenAirInterface CU/DU stack, proving that the hardware can deliver full performance within a fully open‑source software stack—a first for the industry.
The integration of the 64T64R radio with the open‑source stack validated Category B fronthaul, the bandwidth class required for massive‑MIMO scale, and demonstrated stable beam detection and MIMO performance in a multi‑vendor environment. This milestone confirms that AmpliTech’s U.S.‑based manufacturing and MMIC design center can produce radios that meet the stringent open‑RAN standards without proprietary vendor lock‑in.
"This demonstration is a critical milestone for AmpliTech and for the Open RAN ecosystem. Seeing our 64T64R Category B radio operate end‑to‑end within a fully open‑source stack at Northeastern proves that high‑capacity massive MIMO and true multi‑vendor openness are no longer in tension," said Fawad Maqbool, CEO and CTO of AmpliTech. Tommaso Melodia, director of the Institute for Intelligent Networked Systems, added, "This is a significant step toward making Massive MIMO Open RAN a practical reality rather than a research ambition. Demonstrating that AmpliTech’s commercial massive MIMO radio integrates seamlessly into a fully open‑source stack…"
The demonstration supports AmpliTech’s growth trajectory toward $50 million in 2026 revenue, following a record FY2025 revenue of approximately $25 million—a 163% year‑over‑year increase—and a Q3 2025 revenue of $6.09 million, up 115% YoY. The company’s first U.S. O‑RAN certification for its 64T64R platform further strengthens its competitive position in the expanding O‑RAN market.
The open‑source mMIMO O‑RAN system opens new opportunities for carriers and private‑network operators seeking flexible, cost‑effective solutions. By removing vendor lock‑in, AmpliTech positions itself as a key player in the rapidly growing 5G and O‑RAN ecosystem, where massive MIMO is essential for network capacity and efficiency.
Overall, the demonstration is expected to accelerate commercial deployment, reinforce AmpliTech’s vertically integrated strategy, and enhance its standing as a pioneer in open‑source massive‑MIMO technology, setting the stage for continued growth in the coming years.
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