Bought dozens of these and used them on various sites. It also helps to have friends around who are having signal reception issues. Open up your outlets and look behind them to see if you have a splitter there. With the addition of crates and a few splits running through the house or apartment, you'll want them to be behind all walls. Ideally, you want straight lines to each outlet, but most wiring routes prefer to split from room to room, and especially if you have two outlets in a room, there's likely to be a splitter behind one of them. This is an unspoken element for almost every object.
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