AmpliTech Group, Inc. (NASDAQ: AMPG) participated in the O-RAN ALLIANCE Global PlugFest Spring 2026, marking a significant milestone in the integration of Massive MIMO technologies. The event, which ran from February to May 2026, featured 31 companies collaborating on multi-vendor integrations and AI-RAN solutions aimed at enhancing network performance and energy efficiency. AmpliTech's 64T64R Massive MIMO radio was the only device of its configuration present, highlighting the company's unique position as the sole American firm to commercialize such technology. The PlugFest involved live testing alongside major operators like AT&T and Deutsche Telekom, validating the interoperability of AmpliTech's radio with various vendors. Furthermore, the company has achieved O-RAN certification for its radio and participated in the world's first open-source Massive MIMO AI-RAN demonstration with NVIDIA. These accomplishments reinforce AmpliTech's role as a key player in the global Open RAN ecosystem, committed to advancing flexible and intelligent wireless networks.