[링크] 우리나라 통신사(SKT, KT, LGU+) 통신규격 주파수 정리

http://itsit.kr/90180700685
http://msds.tistory.com/27
http://blog.naver.com/johnlee08/162155678
http://en.wikipedia.org/wiki/List_of_LTE_networks
http://en.wikipedia.org/wiki/E-UTRA
http://www.netmanias.com/en/?m=view&id=reports&no=6060
http://www.netmanias.com/en/?m=view&id=reports&no=6459&vm=pdf

https://mirror.enha.kr/wiki/대한민국의 이동통신 주파수

우리나라 3개 통신사 통신규격 정리

2G GSM
LG U+	1.8 Ghz (CDMA2000)	10 + 10
SK Tworld	800 Mhz (WCDMA)	10 + 10
3G WCDMA
SK Tworld	(b1) 2.1 Ghz (WCDMA)	30 + 30
KT Olleh	(b1) 2.1 Ghz (WCDMA)	10 + 10
4G LTE(cat.3, cat.4, cat.6 launch date)
LG U+	(b5) 850 Mhz LTE-FDD, (2011,2013,2014) (메인)	10 + 10
	(b1) 2.1 Ghz LTE-FDD, (2012,2013,2014)	10 + 10
	(b7) 2.6 Ghz LTE-FDD, (2013,2013,2014)	20 + 20
SK Tworld	(b5) 850 Mhz LTE-FDD, (2011, 2013, 2014) (메인)	10 + 10
	(b3) 1.8 Ghz LTE-FDD, (2012, 2014, 2014)	15 + 20
	(b1) 2.1 Ghz LTE-FDD, (2015, N/A, 2015)	10 + 10
KT Olleh	(b20) 800 Mhz LTE-FDD	5 + 5 (Not using)
	(b8) 900 Mhz LTE-FDD, (2013, N/A, 2014)	10 + 10 (RFID 간섭)
	(b3) 1.8 Ghz LTE-FDD, (2012, 2013, 2014) (메인)	15 + 20
	(b1) 2.1 Ghz LTE-FDD, (2015, 2015, 2015)	10 + 10

Cat.3 = 75Mbps with 10MHz
Cat.4 = 150Mbps with 20MHz
Cat.6 = 225Mbps with 30MHz