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糭 Ǹ ġϼȺ, 3G4G Ϻ ޴ȭ ̿ڿ ġ ȫ ߼

޴ȭ ɻ 糭ڸ ߴ ε鵵 ‘’  ġϸ 糭ڸ ְ ȴ.

δ 13∼19 ̵Ż 3 糭 3G ޴ȭ Ϻ 4G ޴ȭ ġ ϴ ȫȳ ڸ ߼Ѵٰ 12 .

糭ڴ εijƮ(Cell Broadcast) 2005 2G ޴ȭ ó Ե ʱ⿡ ٸ .

׷ 2009~2013⿡ õ 3G޴ȭ ͸ Ҹ ߻ 糭 ž ǹ DZ 4G޴ȭ 簡 ž ʴ  糭ڸ ߴ.

̿ Ⱥδ ‘’ ·, 糭 ޴ȭ  ġ  糭ڸ ְ ߴ.

ġ ȳڴ 3G޴ȭ 糭 Ϻ 4G޴ȭ ȭȣ 13~19( ) 10~17 8ȸ ð ̸ ΰ ߼۵ ̴. 

‘ ޴ 糭 ȵǸ ġϽʽÿ’ ۵ȴ.

ȳڸ ޴ȭ ڴ ÷̽(ȵ̵), ۽() ‘’ 糭ڿ ϰ 糭 ޾ƺ ִ.

ȯ漳 Ǵ ϴ 糭 ޾ ִ.

Ⱥ 糭 “糭ڰ Ȳ ż ϴ ʿ ŭ ε ġ ޶” ߴ.

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