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VIAVI Launches Cesium-less ePRTC360+ Enhanced Primary Reference Time Clock as Alternative to Cesium-Accuracy Holdover Clock
VIAVI Solutions Inc. (VIAVI) (NASDAQ: VIAV) has launched the patent-pending Cesium-less ePRTC360+™ holdover solution to safeguard at-risk critical power grids, transportation, aviation and public safety systems, 5G mobile networks and AI data center infrastructure against the increased threat of GNSS timing disruptions. It is the only alternative to Cesium clocks to meet ITU-T G.8272.1 standards.
About this update from Viavi Solutions Inc.
[{"type":"text","content":"Only alternative to Cesium clocks to meet ITU-T G.8272.1 drift standard, with no time limit and at a fraction of the cost","length":121,"tagName":"p","attribs":{}},{"type":"text","content":"CHANDLER, Ariz., Feb. 17, 2026 /PRNewswire/ -- VIAVI Solutions Inc. (VIAVI) (NASDAQ: VIAV) has launched the patent-pending Cesium-less ePRTC360+™ holdover solution to safeguard at-risk critical power grids, transportation, aviation and public safety systems, 5G mobile networks and AI data center infrastructure against the increased threat of GNSS timing disruptions. It is the only alternative to Cesium clocks to meet ITU-T G.8272.1 standards.","length":451,"tagName":"p"},{"type":"image","alt":"Only alternative to Cesium clocks to meet ITU-T G.8272.1 drift standard, with no time limit and at a fraction of the cost","displaySize":"","headline":null,"caption":"Only alternative to Cesium clocks to meet ITU-T G.8272.1 drift standard, with no time limit and at a fraction of the cost","className":"","disableSlideshowImg":false,"size":{"original":{"width":400,"height":374,"url":"https://media.zenfs.com/en/prnewswire.com/fa6522e934111471d357db5ebf25318e"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/MY1ag7eccpSUnx.k4nf_4Q--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTY1OTtjZj13ZWJw/https://media.zenfs.com/en/prnewswire.com/fa6522e934111471d357db5ebf25318e","width":400,"height":374}},"href":"https://mma.prnewswire.com/media/2903743/eprtc360.html","hrefExternal":true,"rel":"nofollow"},{"type":"text","content":"The international ITU-T G.8272.1 standard stipulates that Enhanced Primary Reference Time Clock (ePRTC) holdover must have short-term drift of less than 30 ns when entering into holdover and a long-term drift of less than 100 ns over 14 days, all traceable to UTC. Previously achieved only by Cesium atomic clocks, VIAVI's ePRTC360+ now also meets this standard.","length":376,"tagName":"p"},{"type":"text","content":""The Cesium-less ePRTC360+ exceeds leading-edge Cesium-level holdover performance and does this for significantly lower price. This enables deployment across the sync network, particularly at edge sites which were previously cost-prohibitive with Cesium holdover clocks," said Doug Russell, Senior Vice President and General Manager, Aerospace and Defense, VIAVI.","length":373,"tagName":"p"},{"type":"text","conten...