For fiber-to-the-building (FTTB) multi-dwelling unit (MDU) applications, Broadcom's 10G EPON ONU enables carriers and OEMs to easily upgrade existing equipment deployed over today's 1G EPON networks and deliver true triple-speed services by increasing both bandwidth per subscriber and. For fiber-to-the-building (FTTB) multi-dwelling unit (MDU) applications, Broadcom's 10G EPON ONU enables carriers and OEMs to easily upgrade existing equipment deployed over today's 1G EPON networks and deliver true triple-speed services by increasing both bandwidth per subscriber and. Optical Zonu's GPS Fiber Transport links connect your GPS antenna and receiver in situations where coaxial cable is not desirable or practical. These RF-over-Fiber links are easy to install and ensure signal purity for long cable runs or optical splits to multiple locations. Optical Zonu's BTS-DAS. Discover our selection of GPON, EPON, and XG (S)PON ONT/ONU devices. Enables Cost-Effective Deployment of Value-Added Business and Residential Services on a Single Fiber Infrastructure IRVINE, Calif. 5, 2011 /PRNewswire/ -- Broadcom Corporation (Nasdaq: BRCM), a global leader in semiconductors for wired and wireless communications, today announced the. Founded in 2003, Optical Zonu Corporation manufactures a wide range of digital and analog RF-Over-Fiber products. As global demand for Fiber-to-the-Home (FTTH) expands, ONUs have become essential for delivering reliable broadband to homes. ONU stands for Optical Network Unit. In simple terms, it's a device that receives the optical signal from your Internet Service Provider (ISP) via a fiber optic cable and converts it into electrical signals that your router, computer, phone, and other devices can understand and use.