Built-in smart antenna excellent wireless N performanceUsing 11N/150M chip, built-in smart antenna, using WIFI wireless transmission function. It is suitable for multiple WIFI devices to share the Internet without a wireless router.Plug this device into a USB interface that can access the Internet, and set it to transmit WIFI signals to allow desktop computers, laptops, tablets, and IPADs with wireless network cards.The mobile phone with WIFI function can receive wireless signal after setting up and share the Internet.Supported standards and protocols: IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK, IEEE 802.11n (draft 2.0) wireless technologyBus Type: USB 2.0Frequency range: 2.4 to 2.4835 GHzTransmission rate:11n: up to 150M 11g: 6/9/12/18/24/36/48/54Mbps (adaptive) 11b: 1/2/5.5/11M (adaptive)Working channel number: 13Data modulation:11b: CCK, DQPSK, DBPSK/11g:OFDM/11n: OFDM with PSK, BPSK, 16-QAM, 64-QAMRF : 20dBm (maximum)Antenna gain: 2dBi built-in smart antennaLED indication: StatusUse environment:Operating temperature: 0C to 40C/Storage temperature: -40C to 70C/Operating Humidity: 10% to 90% RH does not condenseStorage humidity: 5% to 90% RH does not condenseSupport operating system: Windows XP/Vista/7/8/8.1/10; for MacOS10.6~for MacOS10.11; for MacOS 10.6~for MacOS 10.11size: 20 x 15 x 6mmMaterial: Plastic + Metalcolour: blackPackage Contents:2 x USB Network Card2 x Driver CDOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.