my security cameras are wired ip cameras, but i want to install them 300 ft from the router. the cameras say they can be no further than 200 ft from the router. can i extend them by adding in an additional router 150 ft down the line from the first router? will that make any difference?
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Ethernet standards say the maximum cable length is 100 metres. The 200 ft specification seems a little conservative, but 300 ft is n the borderline. You need an active device half-way along to extend the range. Not a router, a simple switch will suffice; obviously you need a source of power for the switch.
An alternative would be to use powerline adapters if there are power sockets at each end.