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BA7KW:Reviews hosted on eHam.net: Read ReviewsBrand: DX EngineeringManufacturer's Part Number: DXE-RPA-1Part Type: HF PreamplifiersProduct Line: DX Engineering RPA-1 Receive Preamplifiers....... (2015-10-24 06:58)
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BA7KW:Dx engineering 有款类似的,17DB增益,3.5db的噪声,要卖100多刀。EHAM的评价不错。 (2015-10-24 06:51)
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BG4XCR:噪声大了。 (2015-10-26 12:14)
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BD8SZ:处男证会有优惠不?[表情] [表情] [表情] (2015-10-28 17:45)
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BH7PFH:TOX 我想要一个。如何付款?? (2015-11-01 20:59)
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bg4kc:好,散热片可以浸在液氮里。 (2015-11-03 12:28)
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icom71e: [表情] 用了一段时间 还不错 室温24度 咖喱49度 4小时 工作正常 对100KHZ附近也有放大作用超过 54MHZ还有待测量 敬请期待 呵呵
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