WiFi USB Adapter - 300Mb/s This wifi usb adapter is a simple and easy way to get your laptop or PC connected to the wireless internet. You just need to plug it into a USB port, and it'll replace a WiFi module if you don't have one. This Mercusys MW300UM can access WiFi 802,11n, WiFi 802,11g and WiFi 802,11b. It also operates in the 5GHz bandwidth channel. Say goodbye to slow internet access. This Mercusys wifi usb adapter reaches rates of up to 300 Mb/s. The integrated antenna provides a stable connection. Mercusys MW300UM WiFi USB Adapter Key Features Mercusys MW300UM connects even older computers to WiFi WiFi USB Adapter accesses standard WiFi 4 Mercusys WiFi USB adapter reaches transfer rates of up to 300 Mb/s 2.4GHz bandwidth: 300 MB/s