3 Hong Kong (also known as 3HK or Three HK; ) is a telecommunications and internet service provider operating in Hong Kong by Hutchison Telecommunications Hong Kong Holdings, a subsidiary of CK Hutchison, operating under the global Three brand. 3 Hong Kong is the first Three-branded company, leading to the development of other operations in different locations.
The company was founded in 1984 but was officially named as 3 Hong Kong in 2002. It currently provides 5G, 4.5G, 4G LTE, 3G, GSM dual-band mobile telecommunications and Wi-Fi services through its own network infrastructure. 3HK also provides gaming and home entertainment services.
History The company started in 1984 as Hutchison Telecom Hong Kong, a telecommunications company that is granted licence to operate Advanced Mobile Phone Service (AMPS) cellular radio telephone network in Hong Kong. Afterwards, 3 launched Hong Kong's first analogue mobile telecommunications services in 1985.
In 1995, 3 launched their GSM service. In 1998, 3 pushed their first dual-band network in Hong Kong, which is Asia's first dual-band network.
In May 2004, its affiliated 2G operator Orange re-branded its services and changed its name to "3 Dualband", referring to the GSM product, and "3 CDMA", referring to the CDMA product.
On 29 May 2008, Hutchison Telecommunications (Hong Kong) Limited announced that it has signed an agreement with Apple Inc. to bring the iPhone to Hong Kong and Macau later that year under 3.
In 2010, 3 launched their 3Home Broadband (formerly 3ree Broadband) brand, integrating their fixed-line, mobile and Wi-Fi services together.
In 2012, 3 introduced 4G LTE service to Hong Kong. Later on, they announced full coverage in the MTR, the transit railway system in Hong Kong. In the same year, a partnership with Vodafone was launched. 3HK also became a member of the Conexus Mobile Alliance.
In 2014, they announced their plans to offer Skype's Unlimited World and also VoLTE services.
In 2016, 3 launched their 4.5G services.
As of August 2025, 3 is only mobile network operator in Hong Kong covers 5G network in every roads and tunnels in Hong Kong.
Services
Mobile network
+Frequencies used on 3 in Hong Kong Frequency Frequency Width Protocol Notes 700 MHz (703~713; 758~768) 2*10 MHz 900 MHz (885~895; 930~940) 2*10 MHz GSM/LTE 4G: 944.90;899.90 1800 MHz (1760~1770;1855~1865)+(1780~1785;1875~1880) 2*15 MHz ( not contiguous) GSM/LTE 2100 MHz (1964.9~1979.7;2154.9~2169.7) 2*15 MHz HSPA+/LTE 2x10 MHz LTE 2300 MHz (2360~2390) 30 MHz TD-LTE 20+10 Carrier Aggregation 2600 MHz (2500-2515, 2620-2635) 2x15 MHz LTE 2600 MHz (2515~2520;2635~2640) 2*5 MHz LTE via Genius Brand Limited (JV of HKT, three hk) 3.3 GHz (3300~3330) 30 MHz 3.5 GHz (3560~3600) 40 MHz 5G NR
Up till June 2017, 3 Hong Kong has 3.078 million subscribers, making them the third largest mobile network operator in Hong Kong. As to February 2018, 3 Hong Kong provided the following network service: GSM-900/1800 (GPRS, EDGE) 900/2100 MHz UMTS, HSPA, HSPA+, DC-HSPA+ 900/1800/2100/2600 MHz LTE, 2300 MHz TD-LTE LTE Advanced LTE Advanced Pro In 2017, it is reported that 3 is working with Huawei to provide 5G services in Hong Kong.
Home broadband
3 Hong Kong was originally providing home broadband services as 3Home Broadband. In 2017, 3Home Broadband was rebranded, separating with 3 and abandoning the Three brand. The service has since become one of the key services of HGC Global Communications, another subsidiary of CK Hutchison. Despite the rebrand, 3 Hong Kong stores (dubbed as 3Shop) still provide customer services and promotions for HGC home broadband services.
See also Three UK / 3UK Three Ireland / 3Ireland Three Austria / 3Austria Three Sweden / 3Sweden Three Denmark / 3Denmark Three Macau / 3Macau Three Indonesia / 3Indonesia W3 / WINDTRE CMHK SmarTone CSL Mobile Limited
References
External links Official website 3Business 3Gamer