On the go

1O1O is the premium mobile communications brand of CSL Mobile Limited, providing a supreme mobile lifestyle experience to meet the needs of discerning customers requiring service excellence. 1O1O also organises a variety of lifestyle events and activities to meet the needs of its customers.

With a substantial amount of 5G spectrums and a robust and extensive fiber-backed network infrastructure, 1O1O brings a true 5G experience to its customers with a series of unique audio-visual entertainment, consumer applications and enterprise solutions. 

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.

Widespread coverage from 15,000 Wi-Fi hotspots with 802.11ac capability enables faster Internet surfing for users with compatible devices.