Phone Network Band Range

To free up radio frequency resources for quicker data transmission in 4G telecommunication system, operators have claimed to close GSM and CDMA (2G) networks in 2017,according to IDG Press. European operators, though, still have big profits from the cross-border roaming service, thus GSM would still be available. OEM, ODM dealers shall considerate target markets operators' plans or adjustments.
Below is the related band data for 3G and 4G usage of different countries:

Country Region Telecom Operator Band Notes
Russia Asia-Pacific Beeline W(1,8)+LTE(3,7,21) European Standard
Asia-Pacific Others W(1,8)+LTE(3,7,20)
Georgia Asia-Pacific Beeline W(1,8)+LTE(3,7,22)
United Kingdom Europe Others W(1,8)+LTE(3,7,8,20)
Italy Europe WIND W(1,8)+LTE(3,7,8,20)
Europe TIM W(1,8)+LTE(3,7,8,20)
Italy/Germany Europe   W(1,8)+LTE(3,7,20)
Asia-Pacific Asia-Pacific Others W(1,8)+LTE(1,3,7,8,20)
Australia Asia-Pacific OPTUS W(1,8)+LTE(3,7,28,40) Asian Standard
India Asia-Pacific Others W(1,8)+LTE(3,7,28,40)
Taiwan Asia-Pacific Chunghwa Telecom W(1,8)+LTE(3,8,28)
Argentina Latin America BGH W(2,5)+LTE(2,4,7,28) US Standard
United States North America   W(2,4,5)+LTE(2,4,7,17)
Guatemala South America TIGO W(2,5)+LTE(4,5,7)
Ecuador South America   W(2,5)+LTE(4,7,12)
Mexico Central America Telcel W(1,8)+LTE(3,4,7,12,13,17,20)
Central America Lusacell W(2,5)+LTE(2,4,5,7,28)
WCDMA (3G) Frequencies used in Different Countries:

Region Frequencies Main Countries
Africa 2100/900 MHz Kenya, Egypt, Morocco, etc.
America 2100/1900/1700/850 MHz US, Canada, Mexico, Paraguay, Uruguay, Honduras, etc.
Asia 2100/900/850/1700/1500/800 MHz Note:
1700/1500/800 MHz only used in Japan
China, India, Japan, Malaysia, Pakistan, Singapore, Vietnam, Thailand, etc.
Europe 2100/900 MHz UK (United Kingdom), Spain, Italy, France, Russia,
Slovenia, Hungary, Romania, etc.
Middle East 2100/900/850 MHz Turkey, Kuwait, Saudi Arabia, United Arab Emirates, etc.
Oceania 2100/900/850 MHz Australia, New Zealand, etc.
4G LTE Mobile Networks around the World:

Regions Frequencies (MHz) Bands Main Countries
Africa 2600/1800/800 &
2300/2500
FDD: b7/3/20 &
TDD: b40/41
Kenya, Egypt, Morocco, etc.
America 2600/1900/1800/1700/700 &
2600/2500
FDD: b7/2/3/4/17 &
TDD: b38/41
US, Canada, Mexico, Paraguay,
Uruguay, Honduras, etc.
Asia 2600/1900/1800/900/850/2100
/1500/800 & 1900/2300/2500
Note: 2100/1500/800 MHz
only used in Japan
FDD: b7/2/3/8/5/1/20 &
TDD: b39/40/41
China, India, Japan, Malaysia,
Pakistan, Singapore, Vietnam, Thailand, etc.
Europe 2600/2100/1800/900/800
& 2600/3500/3600
FDD: b7/1/3/8/20 &
TDD: b38/42/43
UK (United Kingdom), Spain, Italy,
France, Russia, Slovenia, Hungary, Romania, etc.
Middle East 2600/1800/800 & 2300/3500 FDD: b7/3/20 &
TDD: b40/42
Turkey, Kuwait, Saudi Arabia,
United Arab Emirates, etc.
Oceania 2600/2100/1800/850/700 & 2300 FDD: b7/1/3/5/12 &
TDD: b40
Australia, New Zealand, etc.