UTStarcom Holdings Corp. unveiled UOS64 and MOS64, two 64x64-radix Optical Circuit Switching prototypes for AI data center networking, at CIOE 2026. UOS64 uses Silicon Photonics, while MOS64 relies on MEMS micro-mirror technology. The company said its platform is designed to reduce optical-electrical-optical conversions and packet processing, lowering latency, power consumption, cooling requirements and rack footprint. The software stack includes SONiC-based OCS software and the SOO Station OCS management platform for automated optical-path provisioning and topology-on-demand. The platform remains in active development, with UTStarcom gathering feedback from potential customers and ecosystem partners. Shares fell 5.53% to $2.05 in after-hours trading Monday after rising 2.84% to $2.17 in the regular session. The company had a market capitalization of approximately $19.94 million, while its shares were down 8.44% over the past year and traded between $2.00 and $3.63 over 52 weeks.