Compare Sky Mobile vs. Vodafone Network

Features
Network Provider O2 Vodafone
Check network coverage: Sky Mobile coverage Vodafone coverage
2G Network Yes Yes
2nd generation network. Max data speed of 0.3 Mb per second.
3G Network Yes Yes
3rd generation network. Max data speed of 42 Mbps.
4G Network Yes Yes
4th generation network. Max data speed of 1 Gbps (1000 Mb/s).
5G Network Yes Yes
5th generation network. Max data speed of 10 or 20 Gb/s.
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 Yes No
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.
Network Frequency Bands
5G (NR) Frequency 3500 MHz 3500 MHz
4G (LTE) Frequency 800 / 900 / 1800 / 2100 / 2300 MHz 800 / 900 / 1500 / 1800 / 2100 / 2600 MHz
3G (UMTS) Frequency 900 / 2100 MHz 900 / 2100 MHz
2G (GSM) Frequency 900 MHz 900 MHz

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.

Vodafone is one of the worlds largest mobile phone network with a huge global brand and presence. It has among the highest network coverage in the UK and has pioneered the development of 4G and 3G services.