PCCW Mobile
| SUNDAY (former trading name) | |||
| Formerly | Mandarin Communications | ||
| Company type | subsidiary | ||
| Industry | Mobile communication | ||
| Founded | 24 November 1994 in British Hong Kong | ||
| Defunct | 2014 | ||
| Fate | merged with CSL Limited(Hong Kong) | ||
| Successor | CSL Mobile | ||
| Headquarters | , Hong Kong | ||
Area served | Hong Kong | ||
| Owner | HKT (100%) | ||
| Parent | HKT | ||
| former Chinese name (Mandarin Communications era) | |||
| Traditional Chinese | 匯亞通訊 | ||
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| Website | www | ||
PCCW Mobile HK Limited previously known as Mandarin Communications Limited, was a subsidiary of PCCW (via HKT) involving mobile network operator of 2G and 3G in Hong Kong. It was previously owned by a Caymans-incorporated Hong Kong listed company Sunday Communications until 2006.
The company also owned the license of internet service provider and international direct dialing of Hong Kong.