* @param arr 待排序数组
However, keep in mind that real-world performance depends on factors like your home's layout, wall materials and interference from other devices. For best results, place your extender about halfway between your router and the area with weak or no Wi-Fi connection. Always check the manufacturer’s specs — some of our top picks clearly list their expected range so you can find one that fits your space.
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"[There are] a lot of new faces tonight, which is quite upsetting because the more people we think we get off the streets, the more people are coming on the streets."