IDD Service
Mainland China Service
Inbound Roamer Services
1 Pass travels the world

Connect on arrival, as low as $14/day
As the first local telecom operator to connect with all major mobile networks in mainland China, 3 Hong Kong is proud to offer our "Cross-network Roaming*" service, which now extends to popular travel destinations that are top favourites for Hong Kong people. These destinations include Japan, South Korea, Thailand and Australia.

You can instantly connect to all mobile networks while travelling, ensuring a seamless experience for dining, shopping, sightseeing, or in-depth exploration. Bid farewell to the inconvenience of local SIM cards and stay connected throughout your journey.

Click here to find the Data Roaming Plan that best suits your needs.
Leisure Travelers
One Pass keeps you connected in over 100 tourist cities across regions
7-DAY Pass From$98
Mainland China & Macau 3-Day Pass
Available in mainland China and Macau
Freely use travel data and voice calls
$138/ 3 DAYS
Data Roaming Daily Pass
One daily charge while travelling in mainland China and Macau or in Euro Zone on the same day
RoamLite Pass
Share the fun of the journey with family, no need to worry about bill shock
Frequent Travelers
Mainland China & Macau Travel Data Pass Package
Available in mainland China and Macau
Freely use travel data and voice calls
From $98/month
GETAWAY Travel Service
Enjoy 80 passes of travel data in 2 years
Greater China Monthly Plan
Data shared in mainland China, HK, Macau & Taiwan with one monthly plan
Free "Social App" data at 4 destinations
$188/month up
4.5G SIM HK-UK Sharing Monthly Plan
Data and voice minutes shared in
Hong Kong and United Kingdom
With UK local mobile service for free
$148/month up
Full Roaming and IDD service will be automatically activated or restored (applicable to those subscribers who had previously opted out of such function) upon subscription of the above services. Upon expiry of the above services, the full roaming and IDD function and day passes (where applicable) will remain active until customer unsubscribes or deactivates such services. To opt out of the aforesaid services, please contact 3iChat.
Customers without any data roaming plan will be charged at Data Roaming Daily Charge Cap Service. Please click here for service details. Please click here for coverage details.
*The data was retrieved from the official websites of local mobile operators as of 10 October 2023. China Broadnet does not provide inbound roaming service. Operators in designated destinations provide 5G/4G roaming service, subject to the factors such as coverage by individual mobile operator, system compatibility, network settings and configurations, the specifications of mobile device and other relevant factors. Only applicable to customers with relevant roaming service.
Roaming Support & Assistant
Roaming User Guide
Roaming Coverage & Tariff
Toll Free Hotline
Conexus Mobile Alliance