AOI white paper maps paths to 3.0GHz HFC network expansion

Applied Optoelectronic published a white paper assessing options to expand CATV HFC network spectrum beyond 1.8GHz toward 3.0GHz. Analysis flagged higher-frequency upgrades as a shift in capital and engineering focus toward amplifiers, power, and outside-plant architecture. Paper also pointed to required evolution in DOCSIS and distributed access architecture to utilize additional spectrum once available. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Applied Optoelectronic Inc. published the original content used to generate this news brief via (Ref. ID: CL55838) on September 24, 2026, and is solely responsible for the information contained therein. (C)