EDUP EP-MS1578 WiFi Adapter  Wireless USB Adapter Network Card with 6dBi External Antenna 300Mbps Up to 300M transmission rate and meet the needs of all kinds of internet With AP simulating function,just few steps to establish WLAN External 6dBi antenna bring powerful signal Surpport several kinds of encryption way to protect your wireless network overall MIMO and CCA technology improve wireless transfer performance and signal stability