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What we do

csl is a mobile service brand of CSL Mobile Limited. csl is the leading provider of mobile communications and holds the widest range of radio spectrum of any mobile network operator in Hong Kong. Our new 5G service comes complete with a spectacular breed of audio-visual entertainment, riding on 5G hallmarks of ultra-high speed, massive connectivity and ultra-low latency. csl’s differentiation from competitors is served by a richness of expertise, diverse partner relationships and an approach that enables customers to see the world differently. CSL Mobile Limited is a subsidiary of HKT.

How we do

Innovative, Energetic, Tech-savvy