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What kind of router did you buy? Is the signal not strong, this thing is also related to the size of the home, if the signal is not strong, it is recommended that you buy a router with more than 600MB.
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Your house is too big, or the router is not of good quality.
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It is necessary to think about the problems of neighbors.
Change to a 450M router and a 300M network card.
Buy one that works better through walls, for example, the one with three antennas.
1 All this is a normal phenomenon, especially after you close the bedroom door, the signal will be worse, the information will become weaker when it meets the wall, or change to a better router, the signal of Tengda and the like is too poor, TP-LINK, Exoces and the like. Or hang a can (Coke, Sprite, etc.) on the antenna of the router to effectively amplify the signal.
1. All purchase a new router to do wireless bridging to expand the signal, or pull the network cable to send a hotspot again.
One thing: wireless bridging.
It's best to buy a Nayu wireless shouting eggplant that can ddwrt, Zheng Dan by the device, such as: TP wr340G+ changed the hardware can brush ddwrt >>>More