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Once you make some adjustments to your computer settings, this USB wireless network adaptor works great. It has excellent wireless speed and very good range. If your this USB network adaptor keeps disconnecting from the network, you need to make some adjustments to your system. These system adjustments are not included in the instructions, but should be for all USB network adaptors. 1) In Power Options, set the wireless adapter’s power saving mode to "Maximum Performance". 2) Also in the Power Options, set the USB Selective Suspend setting to "Disabled". 3) In Device Manager, find Network Adaptors, then right click on Realtek adapter, then properties, under Power Management uncheck the box "Allow the computer to turn off this device to save power". Once these setting are made, the adaptor works great and will stay connected to the wireless network. Without these adjustments, your system just might put your USB network adaptor to sleep, which disconnects your computer from the wireless network.