The WiFi receiver has USB 2.0 interface, providing high speed of wireless receiving and transmission.Mini compact WiFi receiver is easy to be carried. Plug and play operation is convenient for use.Made of premium ABS and metal material, the WiFi receiver is reliable and has long service life.Length of the WiFi receiver is 4.5cm, width is 1.5cm and thickness is 1cm.It is compatible for Windows XP/Vista/7/8/10, for Linux 2.6X and for Mac OS X.Item Name: WiFi AdapterMaterial: Metal,ABSSupply Voltage: 5V DC±5%V DCSensitivity: for Receiving: 802.11b: -76+/-1dBm; 802.11g: -65+/-1dBm; 802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -65+/-1dBm; AC80-MCS9: -55+/-1dBmInterface Type: USB 2.0Transmission Distance: 100mCurrent: Chip Model: RTL8811CUCompatible System: for Windows XP/Vista/7/8/10, for Linx2.6X; for Mac OS XPower Waste: for Receiving and Transmitting: 220mA (Max), for TX: 220mA (Max), for RX: 180mA (Max)Operating Frequency Range: 2.412-2484GHz/5.15-5.825GHzRF Frequency: 802.11b (CCK) 11Mbps: 18+/-1dBm, 802.11g (OFDM) 54Mbps: 15+/-1dBm, 802.11n(OFDM) 54Mbps: 15+/-1dBm, 802.11ac（AC80）MCS9：12+/-2dBmAntenna Gain: 2dBiWireless Transmission: 11b: Max 11Mbps, 11g: Max 54Mbps, 11n: Max 150Mbps, AC: Max 433MbpsWireless Work Channel: IEEE802.11ac/a/n/g/bEncryption: WPA/WPA2/WEP/802.1X/WMMSize Details: 4.5cm x 1.5cm x 1cm/1.77" x 0.59" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x WiFi Adapter1 x Antenna1 x User Manual1 x Driver