More than just a mobile phone company, CSL is changing the face of Hong Kong telecommunications by delivering innovative voice and data services through state of the art world leading technology.

Established in 1983, CSL is Hong Kong’s first mobile operator. We are the leading mobile network operator in Hong Kong, arguably the most competitive telecommunications market in the world.

We are also the first mobile company in Hong Kong to employ a distinctive market segmentation strategy and we use leading-edge technologies to provide customer-focused services.

CSL is committed to retaining its market leading position by delivering innovative and relevant services to our customers. We offer our services through our three brands:1O1O, One2Free and New World Mobility.

In March 2009, CSL launched the international award winning Next G™ network. Next G™ is a world-class all-IP HSPA+ commercial mobile broadband network capable of download speeds up to 21Mbps and provides the widest coverage in Hong Kong.

CSL offers comprehensive post and pre-paid mobile services to both local and international customers. CSL is also the leading roaming operator in Hong Kong as we are able to provide unmatched international multi-media connectivity with over 520 roaming operators around the world.

CSL is a subsidiary of Telstra Corporation Limited, Australia’s leading telecommunications and information services company.