Features: 1.LOW POWER CONSUMPTION: The WIFI module is a low power 150M USB interface wireless network card, compatible with IEEE802.11b/g/n standards 2.SUPPORTED MECHANISM: The WIFI module can communicate with other wireless devices that according with the standard, and supports WPA PSK, WPA2 PSK, WPA, WPA2 security mechanisms 3.TRANSMISSION DISTANCE: The built in omnidirectional ceramic antenna can also be connected with an external antenna to make the transmission distance farther 4.SCOPE of APPLICATION: Making desktop computers, laptops, tablet computers, network cameras, set top boxes, GPS and other devices that need to be wirelessly connected to the wireless network easily 5.OPERATING SYSTEM: Support for Android, for Win 8, for Win 7, for Vista, for Linux, for Win CE, for Win XP and Other Operating Systems specification:Item Type: WIFI Module Material: PCB Model: W2 E Chip Solution: For RTL8188ETV Standards and Protocols: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK Working Frequency: 2.42.4835GHz Working Channel: 1-13Channel Modulation Method: 11 n: MCS 11 g: OFDMCCK 11b: CCK(11, 5.5Mbps), QPSK(2Mbps), BPSK(1Mbps) Transmission Rate: 11n: 6.5~72.2 Mbps(20MHz Bandwidth)13~150Mbps(40MHz Bandwidth) 11g: 54/48/36/24/18/12/9/6 Mbps 11b: 11/5.5/2/1 Mbps Transmission Distance: Indoors Up to 50meters/54.7yd, Outdoor Up to 150meters/164.0yd (depending on the external antenna depending on the environment) RF Antenna: External Antenna (2.42.4835GHz, 50 ohm characteristic impedance) Working Voltage: 3.3V Working Temperature: -20 to 50 Storage Temperature: -40 to 70 Working Humidity: 10% to 90%RH Non Condensing Storage Humidity: 5% to 90%RH Non Condensing Operating System: For Android, for Win 8, for Win 7, for Vista, for Linux, for Win CE, for Win XP and Other Operating Systems PackageList:1 x WIFI Module