根据现有已推出HSDPA终端产品的公司对适用于HSDPA数据卡工作频率的一般要求，本论文研究了适用于HSDPA数据卡的多频（五频）天线。
The system should have the performance of multi frequency and wide bandwidth, in order to meet the number of user growing, so the multi frequency of HSDPA terminal products will be the hotspot.
根据现有已推出HSDPA终端产品的公司对适用于HSDPA数据卡工作频率的一般要求，本论文研究了适用于HSDPA数据卡的多频（五频）天线。
The system should have the performance of multi frequency and wide bandwidth, in order to meet the number of user growing, so the multi frequency of HSDPA terminal products will be the hotspot.
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