1、The transmission speed of this wireless network card is up to 150Mbps, you willl enjoy a powerful network experience. 2、There is no need for drivers installation, the system will automatically recognize and load drivers. 3、This product is equipped with a detachable external antenna with 3dBi gain, the signal transmission is stable. 4、Made of high-quality material with exquisite workmanship, which ensures long product life. 5、Light in weight, small in size, this wireless network card is easy for you to carry. 1 x Network Card Main Chip: MT7601Wireless Standard: IEEE 802.11/n/g/bInterface: USB 2.0Antenna: Detachable external 3dBi antennaTransmission Distance: Indoor maximum: 100m (depending on the environment)Transmission Speed: 150MbpsOperating Frequency: 2.412-2484GHz (according to the country area)Transmit Power: 802.11b (CCK) 11Mbps: 20+/-1dBm 802.11g (OFDM) 54Mbps: 17+/-1dBm 802.11n (OFDM) 150Mbps: 16+/-1dBmEVM:11b 11Mbps: <-15db11g 54Mbps: <-27db11N MCS9: <-30dbReceive Sensitivity: 802.11b: -76+/-1dBm; 802.11g: -65+/-1dBm 802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -65+/-1dBmWireless Transmission Rate: 11b: Maximum 11Mbps11g: Maximum 54Mbps11n: Maximum 150MbpsVoltage / Current Range: 5V DC ±5%V DC / <220mA (maximum)Power Consumption:Transceiver Status: 220mA (maximum)Transmitter Status Only: 220mA (maximum)Receiver Status Only: 180mA (maximum)Operating System: For WindowsXP/win7/vista/win8/win10, for MacOS 10.6- 10.13Wireless Security Support: For WPA/WPA2/WEP/ 802.1X/WMM