GSM ,CDMA, 3G频段怎么划分的.

红红1

GSM ,CDMA, 3G频段怎么划分的.

parladin

<P><TABLE 510pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=680 border=0 x:str><COLGROUP><COL style="WIDTH: 175pt; mso-width-source: userset; mso-width-alt: 7456" width=233><COL style="WIDTH: 335pt; mso-width-source: userset; mso-width-alt: 14304" width=447><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; WIDTH: 175pt; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" width=233 height=21><FONT face="Times New Roman">825-835MHz/870-880MHz</FONT></TD><TD class=xl23 windowtext 0.5pt solid; BORDER-TOP: windowtext 0.5pt solid; BORDER-LEFT: windowtext; WIDTH: 335pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent" width=447><FONT face=宋体>联通</FONT><FONT face="Times New Roman">CDMA</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">885-915MHz/930-960MHz</FONT></TD><TD class=xl23 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face=宋体>联通</FONT><FONT face="Times New Roman">GSM</FONT><FONT face=宋体>、移动</FONT><FONT face="Times New Roman">GSM</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1710-1725MHz/1805-1820MHz</FONT></TD><TD class=xl23 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face=宋体>移动DCS</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1745-1755MHz/1840-1850MHz</FONT></TD><TD class=xl23 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face=宋体>联通</FONT><FONT face="Times New Roman">DCS</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1880-1920MHz/2010-2025MHz</FONT></TD><TD class=xl24 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face="Times New Roman">3G</FONT><FONT face=宋体>时分双工（</FONT><FONT face="Times New Roman">TDD</FONT><FONT face=宋体>）主要频段，即</FONT><FONT face="Times New Roman">TD-SCDMA</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1920-1980MHz/2110-2170MHz</FONT></TD><TD class=xl24 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face="Times New Roman">3G</FONT><FONT face=宋体>频分双工（</FONT><FONT face="Times New Roman">FDD</FONT><FONT face=宋体>）主要频段，即</FONT><FONT face="Times New Roman">WCDMA</FONT><FONT face=宋体>、</FONT><FONT face="Times New Roman">CDMA2000</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1755-1785MHz/1850-1880MHz</FONT></TD><TD class=xl24 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face="Times New Roman">3G</FONT><FONT face=宋体>频分双工（</FONT><FONT face="Times New Roman">FDD</FONT><FONT face=宋体>）补充频段，即</FONT><FONT face="Times New Roman">WCDMA</FONT><FONT face=宋体>、</FONT><FONT face="Times New Roman">CDMA2000</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl25 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: yellow" height=21><b><FONT face="Times New Roman" color=#0000ff>2300-2400MHz</FONT></b></TD><TD class=xl24 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face="Times New Roman">3G</FONT><FONT face=宋体>时分双工（</FONT><FONT face="Times New Roman">TDD</FONT><FONT face=宋体>）补充频段，即</FONT><FONT face="Times New Roman">TD-SCDMA</FONT></TD></TR><TR 15.75pt" height=21><TD class=xl22 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15.75pt; BACKGROUND-COLOR: transparent" height=21><FONT face="Times New Roman">1900-1920MHz</FONT></TD><TD class=xl23 windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: transparent"><FONT face=宋体>电信、网通</FONT><FONT face="Times New Roman">PHS</FONT></TD></TR></TABLE></P>[br]<p align=right><font color=red>+3 RD币</font></p>

chjhu1986

呵呵。谢谢，学习了~~

shower72

谢谢了。。。

rihenbo

学习了，学习