I made this purchase on July 22, 2019. This is the best wireless router I have bought and used to date. I tried several devices to solve my WiFi problem. My entire telephone, internet and internet TV network is served by this router. I first used an unlocked Mi-Fi device to power my network. The problem was that it only lasted 6 hours because of the dead battery. If you leave the WiFi plugged in for 24 hours, it gets very hot and the battery drains. My internet phone at home was powered by a wireless interface. If my wifi router goes down, my phone and internet connection dies too. I constantly have to reset my phone and internet connection, plug and unplug to cool the battery. KuWFi 4G LTE CPE Wireless Internet Router 300Mbps Unlocked with SIM Card Slot solved all my problems. This is a stable wireless connection with the ability to work 24/7. My wireless internet phone is stable. I'm not worried about the system shutting down. Unfortunately, the wireless VOIP headset only works for half an hour without charging. I'm considering getting another one. I want to see if they come out with a 5G version. Almost 9 months have passed since the purchase. This device works with T-Mobile.
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