TI 新推出的CC2538芯片价格是多少，有无前端加PA的硬件参考设计？

CC2538目前还是PREVIEW状态，价格还要等一段时间再看下
http://www.ti.com/product/cc2538
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Free SamplesBuy NowPart#StatusPrice | QTYPackage|PinsPackage QTY |CarrierDistributor InventoryNot AvailableContact DistributorCC2538NF53RTQRPREVIEW QFN (RTQ) | 562000No StockFor lead times contact TI Authorized Distributor or local TI sales officeNot AvailableContact DistributorCC2538SF53RTQRPREVIEW QFN (RTQ) | 562000No StockFor lead times contact TI Authorized Distributor or local TI sales office

Reference design ：
http://www.ti.com/tool/cc2538em-rd