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91香蕉在线观看頻率分類

Spectrum	Frequency Band(Mhz)	Wave Band (m)	Application Radio	Use area(country)
HF	3~30	100~10	HF Amateur Radio	Global
HF	26~28	11.54~10.71	CB Radio	European、North and South American
AM	0.525~1.7	571.4~176.5	Radio	Global
FM	88~108	3.4~2.78	Radio	Global
VHF	136~174	2.2~1.72	VHF Radio	Most countries
VHF	136~174	2.2~1.72	Marine Radio	Most countries
VHF	46~68	6.52~4.41	T-DAB Ⅰ	Most countries
VHF	174~240	1.72~1.26	T-DAB Ⅱ	Most countries
VHF	40~87	7.5~3.45	TV Ⅰ	Global
VHF	174~230	1.72~1.3	TV Ⅱ	Global
UHF	470~862	0.64~0.35	TV Ⅲ	Global
VHF	174~230	1.72~1.3	T-DMB	Korea
VHF	174~230	1.72~1.3	DVB-T Ⅰ	European
UHF	470~860	0.64~0.35	DVB-T Ⅱ	European
UHF	403~440	0.71~0.68	UHF Radio	Most countries
UHF	420~470	0.71~0.64	UHF Radio	Most countries
UHF	806~866	0.37~0.35	Cluster radio	European TETRAN orth American APCO25
GSM 900	880~960	0.34~0.31	GSM phones	Most countries
GSM1800	1710~1880	0.18~0.16	GSM phones	Most countries
CDMA800	824~894	0.36~0.35	CDMA mobiles phones	Most countries
CDMA2000	1920~2125	0.16~0.14	CDMA mobiles phones	Most countries
WCDMA	1940~2145	0.16~0.14	3G mobiles phones	Few countries
TD-SCDMA	1880~2025	0.16~0.15	TDMA mobiles phones	North American
GPS	1227.6~1575.42	0.24~0.19	GPS	Most countries
Wireless access	45~49	6.67~6.12	Cordless public phones	Most countries
Wireless access	900~930	0.33~0.32	Cordless public phones	Most countries
Wireless access	1900~1920	0.16~0.16	Cordless phones	Most countries
Wireless access	2400~2483	0.13~0.12	LAN	Most countries

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