带外置天线端口的 4G/5G 路由器：哪种部署场景才真正需要它（哪种不需要）
在 B2B 路由器采购中，外置天线端口只在特定部署场景下能解决问题。这篇文章按场景拆开讲——包括外置天线反而添麻烦的场合，以及 realme 9 pro 这类手机改装路线值不值得考虑。
Short buyer notes on antenna-port router sheets, evidence requests, and how factory quotations are lined up. The list is text only.
在 B2B 路由器采购中，外置天线端口只在特定部署场景下能解决问题。这篇文章按场景拆开讲——包括外置天线反而添麻烦的场合，以及 realme 9 pro 这类手机改装路线值不值得考虑。
A 7-step buyer's checklist for sourcing 4G, 5G, and mobile WiFi routers with genuinely working external antenna ports — covering connector standards, band matching, firmware switching, and small trial orders.
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