Timeline
- 1984: CSL, a wholly owned subsidiary of Hong Kong Telecom, launches Hong Kong's first public mobile radiotelephone service using NEC's Advance Mobile Telephone System.
- July 1993: CSL launches its GSM service.
- June 1997: CSL launches its GSM 1800 network.
- December 1997: CSL acquires Pacific Link Communications. The acquisition included the digital cellular phone services (D-Amps), PCS (GSM1800) and radio paging services.
- 2000 - PCCW Limited buys Cable & Wireless HKT, including subsidiary CSL (Hong Kong Telecom CSL Limited), for an estimated US$38 billion from Cable & Wireless.
- February 2001: PCCW sells 60% of CSL to Telstra for $3.05 billion, in a joint venture called "Regional Wireless Company" (RWC).
- July 2002: Telstra purchases PCCW's 40% stake in RWC for A$1.1billion, giving Telstra 100% ownership of CSL.
- March 2006: CSL & New World PCS Limited merge to become the CSL New World Mobility Group.
- January 2007: New World Mobile Holdings agrees to sell its quarter stake to its parent company New World Development, for US$321 million.
- March 2009: CSL launched the international award winning Next G™ network. Next G™ is an all-IP HSPA+ commercial mobile broadband network capable of download speeds up to 21Mbit/s and provides the widest coverage in Hong Kong (as at 1 Dec 2011).
- November 2010: Launched the world's first LTE/DC-HSPA+ network in partnership with ZTE.
- June 2012: CSL and SK Telecom, the largest mobile operator in Korea, launched the world’s first 4G LTE international roaming between their two markets – Hong Kong and Korea.
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