Compare Three with Sky Mobile Network
| Features |  |
 |
|---|---|---|
| Network Provider | Three | O2 |
| Check network coverage: | Three coverage | Sky Mobile coverage |
| 5G Network | Yes | Yes |
| 5th generation network. Max data speed of 10 or 20 Gb/s. | ||
| 4G Network | Yes | Yes |
| 4th generation network. Max data speed of 1 Gbps (1000 Mb/s). | ||
| 3G Network | Yes | Yes |
| 3rd generation network. Max data speed of 42 Mbps. | ||
| 2G Network | No | Yes |
| 2nd generation network. Max data speed of 0.3 Mb per second. | ||
| WiFi Calling | Yes | Yes |
| Use Wi-Fi for mobile phone calls and texts when no network signal. | ||
| 4G Calling (VoLTE) | Yes | Yes |
| Voice over LTE (4G Calling) makes clearer HD calls over 4G networks. | ||
| Data Rollover | No | Yes |
| Unused mobile data allowance rolled over from one month to the next. | ||
| Tethering Allowed | Yes | Yes |
| Tethering allows you to share your mobile internet with other devices. | ||
| eSIM | Yes | No |
| e-SIMs are digital virtual SIM cards downloaded onto supported mobile handsets. | ||
| Network Frequency Bands | ||
| 5G (NR) Frequency | 3500 MHz | 3500 MHz |
| 4G (LTE) Frequency | 800 / 1500 / 1800 / 2100 MHz | 800 / 900 / 1800 / 2100 / 2300 MHz |
| 3G (UMTS) Frequency | 2100 MHz | 900 / 2100 MHz |
| 2G (GSM) Frequency | N/A MHz | 900 MHz |
About Three
Three is the brand name of CK Hutchison Holdings under which several UMTS-based mobile phone networks and Broadband Internet Providers are operated in Australia, Austria, Denmark, Hong Kong, Macau, Indonesia, Ireland, Italy, Sweden, and the United Kingdom.
Founded in 2002, Three operates 5G, 4G and 3G services within the United Kingdom, and is the only UK network operator not to offer 2G coverage.
About Sky Mobile
Launched to the public in January 2017, Sky Mobile operates as a full MVNO (Mobile Virtual Network Operator) within the UK, utilising the O2 radio access network infrastructure.