Hello Lifehacker, I would like to connect a secondary building that is 300 metre away metres from our main house. There is no line of sight so wireless seems to be not an option. I looked into cable and found the Cat5e outdoor direct burial is priced reasonably enough to run the 300 metre distance. But can I do that length without a problem? Thanks, Cable Convert
Ethernet picture from Shutterstock
Sorry to be the bearer of bad tidings, but this is extremely unlikely to work. It's widely accepted that you can't run a standard cable more than 100 metres without incorporating a booster or other enhancement technology. A straight connection almost certainly won't work. While you might occasionally go over 100 metres, tripling the length just isn't going to fly.
Presuming there's no other interim building where you can house a repeater or booster, you'll need optical fibre rather than standard ethernet to make this work — and that will cost a lot more and require slightly different equipment at each end. Your only alternatives are to spend that money or set up a separate connection at the destination (which will be expensive and involve more monthly internet charges).
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