No need to go to Sham Shui Po to buy SIM card for travelling anymore.
Cambodia Prepaid SIM Card Card Type:
【Unlimited mobile data / 14-day / 3G network】
【Unlimited mobile data / 30-day / 3G network】
Although it does not support with voice call, unlimited free SMS service is offered in all the above packages.
Other than Cambodia,all the above packages are applicable to the nearby countries: Thailand, Singapore, Malaysia, etc. No need to reset network when you move to another country, it will automatically search for the designated network in the country you are staying.
Lowest speed: 128Kbps
Leftover data can be used after arrival at Hong Kong.
【Unlimited mobile data / 14-day / 3G network】HK$ 298
【Unlimited mobile data / 30-day / 3G network】HK$ 398