CSL Mobile Limited is a Hong Kongtelecommunications company, which operates mobile network brands of "csl", "1O1O" and "Club SIM". CSL is a subsidiary of Hong Kong Telecom and was Hong Kong's first mobile communications operator established in 1983, and also the first network to launch the world’s first dual band4G LTE network with DC-HSPA+. The brand CSL was under different legal person in its operating history, namely Communication Services Limited, which known as Hong Kong Telecom CSL Limited from 1990 to 1999, and then Cable & Wireless HKT CSL Limited from 1999 to 2001, and then Hong Kong CSL Limited from 2001, CSL Limited and CSL Mobile Limited; The current legal person of the brand, CSL Mobile Limited, was formally known as PCCW Mobile HK Limited. It was the result of the merger of the brands CSL and PCCW Mobile.
History
In the 1990s, CSL was a company of PCCW. In 2002, PCCW sold CSL. In 2005, PCCW re-entered the mobile network operator business by acquiring SUNDAY and setting up a new brand "PCCW Mobile". In 2014, HKT acquired CSL New World Mobility and its subsidiaries such as CSL Limited and New World Mobility. In 2014, the legal person of PCCW Mobile was renamed into CSL Mobile Limited. However, it used the brand CSL instead. CSL was an abbreviation for Communication Services Limited and their original branding of "Create a Simple Life". The CSL brand, logo and corporate colour were all updated in August 2011 and again in recent year.
Timeline
1980: Communication Services Limited was incorporated.
February 2001: PCCW sells 60% of CSL to Telstra for $3.05 billion, in a joint venture called "Regional Wireless Company".
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 merge to become the CSL New World Mobility. The enlarged group owned the brands CSL, 1010, One2Free and New World Mobility, and was majority owned by Telstra; New World Mobile Holdings was a minor shareholder.
March 2009: CSL launches 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.
November 2010: Launches the world's first LTE/DC-HSPA+ network in partnership with ZTE.
June 2012: CSL and SK Telecom, the largest mobile operator in Korea, launches the world’s first 4G LTE international roaming between their two markets – Hong Kong and Korea.
December 2013: CSL launches the first VoLTE network in Hong Kong.
December 2013: Telstra and New World Development have agreed to sell CSL New World Mobility to HKT, a listed unit of PCCW for $2.43B USD, essentially selling it back to PCCW. Telstra owns 76.4% of CSL, New World Development owns the rest 23.6%.