When the antenna would otherwise need a long coaxial run, placing the router near it can preserve signal quality. Ethernet can normally run up to 100 metres and may deliver PoE, while coaxial loss rises with length and frequency. This arrangement is common where the best cellular position is on a roof, mast or external wall.
The router then needs a suitable protected or outdoor location, power, surge protection and service access. Temperature and condensation must be managed. Compare the cost and risk of an outdoor enclosure or PoE-capable router against high-grade low-loss coaxial cable. The right answer is the one with the best complete link and maintainability.
Public Q&A
When is it better to place the router near the antenna and run Ethernet rather than use a long antenna cable?
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