|Check network coverage:||Sky Mobile coverage||Lebara Mobile coverage|
|2nd generation network. Max data speed of 0.3 Mb per second.|
|3rd generation network. Max data speed of 42 Mbps.|
|4th generation network. Max data speed of 1 Gbps (1000 Mb/s).|
|5th generation network. Max data speed of 10 or 20 Gb/s.|
|Use Wi-Fi for mobile phone calls and texts when no network signal.|
|4G Calling (VoLTE)||Yes||No|
|Voice over LTE (4G Calling) makes clearer HD calls over 4G networks.|
|Unused mobile data allowance rolled over from one month to the next.|
|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|
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.
About Lebara Mobile
Lebara is a telecommunications company providing services in many countries around the world. Using the Vodafone UK network, Labara is a mobile virtual network operator (MVNO) within the United Kingdom.
Lebara Mobile provides pay-as-you-go mobile SIM cards, targeted toward the needs of international communities.