Furuno AU-500 dual‍-‍band GNSS timing antenna

The AU-500 from Furuno is a high-performance, dual-band (L1/L5) multi-constellation GNSS timing antenna engineered to provide robust time synchronisation for mission-critical infrastructure, including 5G base stations, timing systems and communications networks. Built for performance in harsh weather and hostile RF environments, the AU-500 is designed to enable reliable operation where service outages are not permitted.

A defining feature of the AU-500 is the integrated lightning protection, compliant with IEC 61000-4-5 standards. By incorporating this protection directly into the antenna assembly, the unit provides for the safety and longevity of both the antenna and connected receiver equipment.

The AU-500 features advanced interference rejection, with a built-in noise filter that effectively removes out-of-band radio waves from LTE, broadcasting that can adversely affect GNSS reception. The underside of the main unit is also designed to function as an integrated ground plane, which improves reception sensitivity and front-to-back ratio while simultaneously reducing multipath effects. The antenna is rated to IP67, featuring a high-quality polymer radome that provides long-term protection against rain, snow, ultraviolet rays, chemicals and corrosive gases. The AU-500 is manufactured in Japan meeting the highest quality standards, including CE, FCC and RoHS 2 compliance.