3 Danmark is the smallest and most recent mobile network operating in Denmark. Formed as a joint venture between CK Hutchinson Holdings (60%) and Investor AB (40%), the company began operations in October 2003. The company is a wholly-owned subsidiary of CK Hutchison Holdings, a multinational conglomerate based in Hong Kong. The brand was officially founded on March 3, 2003, in Hong Kong, and has since then expanded its operations to several countries, including Denmark. Three Denmark, along with Three Sweden, operates a common network covering most of the two countries, allowing customers to receive calls without paying roaming fees when they are on either network. CK Hutchison Holdings owns direct majority interests in these networks through its subsidiary, 3 Group Europe.
3G Network
The company has provided 3G UMTS over B1 (2100 MHz) since November 2006 and B8 (900 MHz) since 2012. The network has been upgraded to support DC-HSPA+ in 2012.
Three Denmark announced the closure of its 3G network for December 2025.
3G Frequency Bands
| Network Frequency Band | Status |
|---|---|
|
Active
|
|
|
Active
|
3G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 3G Network
|
Launch
|
4G Network
4G LTE services were commercially launched in September 2012 over B3 (1800 MHz), B7 (2600 MHz), and TDD B38 (2600 MHz), the first FDD-TDD network of its kind. 3 later upgraded the network to LTE-A late 2014, providing peak data rates up to 150 Mbps over 2C aggregation (CA_3A-7A), and has been laboratory testing FDD-TDD 3C CA.
The network was later reconfigured to B7 (2600 MHz), along with adding B1 and B8 carriers from refarmed 3G spectrum, with low-band B28 (700 MHz).
4G Frequency Bands
| Network Frequency Band | Max. Channel Bandwidth | Status | Known EARFCNs |
|---|---|---|---|
|
15
|
Active
|
50,
75
|
|
|
10
|
Active
|
1500
|
|
|
10
|
Active
|
3000
|
|
|
Active
|
3700
|
||
|
10
|
Active
|
9260
|
4G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 4G Network
|
Launch
|
5G Network
The company's 5G network was commercially launched in December 2021 using n78 (3500 MHz). A DSS n1 carrier was added in 2022.
5G Frequency Bands
| Network Frequency Band | Max. Channel Bandwidth | Status |
|---|---|---|
|
15
|
Active
|
|
|
100
|
Active
|
5G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 5G Network
|
Launch
|