Q Q :由于公司网店和实体店同时进行销售，最终价格和库存数量请和销售人员落实后再购买，请广大买家谅解！其他购买问题们会耐心为您解答。

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台湾研华原装，全国2年联保

只要您诚心与我们合作，数量为1我们也可以做到最优惠价格。
Supporting USB2.0 high speed, USB-4604B/4604BM features several powerful functions such as high-speed 921.6 kbps transmission, support for various operating systems, independent RS-232/422/485 ports and more. By simply plugging in a USB hub, USB-4604B and USB-4604BM eliminates the configuration issues associated with high-priced, older card solutions. You only have to install the drivers, no need to set cards slots, IR, DMA channels, or device addresses. This reduces programming effort