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Press release from PR Newswire

China Mobile Selects Symmetricom's TimeProvider® 5000 Grandmaster Clock to Deploy IEEE 1588-2008 and Synchronous Ethernet for PTN Deployment

Tuesday, January 17, 2012

China Mobile Selects Symmetricom's TimeProvider® 5000 Grandmaster Clock to Deploy IEEE 1588-2008 and Synchronous Ethernet for PTN Deployment09:00 EST Tuesday, January 17, 2012World's largest mobile operator endorses IEEE 1588 and Symmetricom's Grandmaster platformSAN JOSE, Calif., Jan. 17, 2012 /PRNewswire/ -- Symmetricom®, Inc. (NASDAQ:SYMM), a worldwide leader in precision time and frequency technologies, today announced that China Mobile Limited (NYSE:CHL), the world's largest mobile telecommunications carrier, has selected Symmetricom's TimeProvider® 5000 Grandmaster Clock to deploy IEEE 1588 (PTP) and Synchronous Ethernet (SyncE) for its Packet Transport Network (PTN) deployment.  (Logo:  http://photos.prnewswire.com/prnh/20110829/AQ59077LOGO)SyncE provides frequency synchronization for Ethernet networks and PTP is the standard for providing frequency and phase synchronization over packet networks to support 4G/LTE deployments. The proliferation of smartphones and growing demand for video and data services have prompted service providers such as China Mobile to transition from time division multiplexing (TDM) based network to a Packet Transport Network (PTN).  China Mobile has chosen to deploy SyncE in the network core and PTP over the top to the base stations."As China Mobile continues its PTN network rollout and evolves towards a smaller cell architecture, we see an increasing role for PTP as the primary synchronization solution, which will support data traffic growth while ensuring service continuity for our customers," said Dr Li Han, China Mobile Research Institute.  "Symmetricom is a key partner providing interoperable timing and synchronization solutions for PTP, which have been successfully deployed in numerous global networks."Symmetricom solutions provide the synchronization required by mobile operators for Ethernet backhaul. The TimeProvider® 5000 Grandmaster Clock is a packet-based timing and frequency solution that combines the functionality of a highly-accurate, IEEE 1588 grandmaster clock with enhancements to support SyncE, Network Time Protocol (NTP), E1/T1 and Time of Day (ToD).  The TimeProvider® 5000 Grandmaster Clock's flexible architecture supports both LTE FDD and TDD applications."Most operators are managing heterogeneous networks that require multi-sync capabilities," said Manish Gupta, vice president of marketing at Symmetricom. "Selection of our multi-sync platform by China Mobile, the world's largest mobile operator, validates the solutions' superior performance and resilience."Symmetricom's best-in-class grandmaster clock solutions address a wide variety of applications designed to support LTE and Carrier Ethernet. These solutions enable Symmetricom customers to directly benefit from lower-cost, higher-capacity packet network infrastructures without sacrificing precise timing and synchronization requirements. For more information on Symmetricom's TimeProvider® 5000 Grandmaster Clock solutions, visit: http://www.symmetricom.com/products/ieee-1588-ptp-solutions/ptp-servers/TimeProvider-5000-and-TimeProvider-Expansion/.About Symmetricom, Inc. Symmetricom (NASDAQ:SYMM), a world leader in precise time solutions, sets the world's standard for time. The company generates, distributes and applies precise time for the communications, aerospace/defense, IT infrastructure and metrology industries. Symmetricom's customers, from communications service providers and network equipment manufacturers to governments and their suppliers worldwide, are able to build more reliable networks and systems by using the company's advanced timing technologies, atomic clocks, services and solutions. All products support today's precise timing standards, including GPS-based timing, IEEE 1588 (PTP), Network Time Protocol (NTP), Synchronous Ethernet and DOCSIS® timing. Symmetricom is based in San Jose, Calif., with offices worldwide. For more information, visit: http://www.symmetricom.com or join the dialogue at http://www.twitter.com/symmetricom.About China Mobile China Mobile Communications Corporation ("China Mobile") was founded on April 20, 2000, with a registered capital of RMB 51.8 billion, and assets of more than RMB 1000 billion, possessing the largest network and customer base in the world.China Mobile (Hong Kong) Group Limited is wholly-owned by China Mobile. China Mobile (Hong Kong) Group Limited, as of 31 December 2010, holds 74.21% equity interest in China Mobile Limited ("listed company" for short). The listed company has wholly owned subsidiary companies in 31 provinces (autonomous regions and municipalities) as well as Hong Kong SAR. China Mobile Limited was listed on the New York Stock Exchange and The Stock Exchange of Hong Kong. Currently, China Mobile Limited is the world's largest telecommunications company by market value.China Mobile has been selected in the world's top 500 by the U.S. "Fortune" magazine for 11 consecutive years, and the latest ranking is 87th. With its brand value rising, it has been named as one of the world's most powerful brands by the "Financial Times" for four consecutive years.  In addition, it was recognized on the Dow Jones Sustainability Index for 4 consecutive years, being the only company selected in Mainland China. Additional information is available at http://www.chinamobileltd.com.SYMM-GSOURCE Symmetricom, Inc.For further information: Tracy Schriver of Symmetricom, Inc., +1-707-636-1908, tschriver@symmetricom.com, or Media, Liam Rose of GolinHarris, +1-415-318-4380, lrose@golinharris.com, for Symmetricom