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So R4 Cell carrier dont support HSPA tech,on the other hand H carrier support HSPA tech.
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1.HÔز¨¿ÉÒÔÊÇHSDPA£¬HSUPA,HSPA
2.R4Ôز¨ÓÃÓÚAMRºÍPSÕâЩR4ÒµÎñ¡£ÅäÖÃÔÔòÊǸù¾ÝÍøÂçÐèÇó¡£Í¨³£Ð¡ÇøµÄÖ÷Ôز¨ÅäÖÃR4£¬¸¨Ôز¨ÅäÖÃ×ÊÔ´³Ø³ÉΪHÔز¨¡£
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Since 3gpp specification Release 5(R5),as an enhanced technology of 3G, HSDPA/HSUPA/HSPA+(usually be called by a joint name for HSPA) became main tech used to increase the transmission rate of DL/UL data.
So R4 Cell carrier dont support HSPA tech,on the other hand H carrier support HSPA tech.
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