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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.
Q:How to distinguish a HSPA tech cell
Answer:In sysinformation 5,there is a IE indicate the cell whether or not support