The best modem router combo devices will allow for multiple users to share WiFi. Keep in mind that the more devices connected to the WiFi, the slower the internet speed. A family may only require the best modem router combo to support 20 devices while a business may opt for one that supports 100 or more.
In fact, there are ways to prevent grass burns from dog urine. While nitrogen is an essential component in healthy soil, high concentrations of it can cause grass to turn yellow or brown. Urine is naturally high in nitrogen and alone can cause grass burns. However, lawn fertilizer also contains nitrogen.
That's probably heat/drought stress. If your grass is turning brown, that may mean your tree isn't getting enough water. A newly planted tree doesn't compete well with grass, weeds, or nearby big trees. They suck the water right out from under your tree.