Match column I with column II Column I Column II A 1G Spectrum 1 Networks used are analog ...........

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Match column I with column II

	Column I		Column II
A.	1G Spectrum	1.	Networks used are analog
B.	2G Spectrum	2.	Network is digital
C.	3G Spectrum	3.	Used to simultaneously transfer both voice data (a telephone call) and non-voice data (such as downloading information, exchanging e-mail, and instant messaging)
D.	4G Spectru m	4.	Provide a wide range of data rates up to ultra broad band (gigabit-speed)

Codes: A B C D

1 2 3 4

4 3 2 1

1 4 3 2

2 3 1 4

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Explanation:

1G Spectrum- Networks used are analog
2G Spectrum- Network is digital
3G Spectrum- Used to simultaneously transfer both voice data (a telephone call) and non-voice data (such as downloading information, exchanging e-mail, and instant messaging)
4G Spectrum- Provide a wide range of data rates up to ultra broad band (gigabit-speed)