Specification:Product Name: Wireless Network CardModel: J18753Color: BlackSize: 17.1x3.7x1.2cm/6.73''x1.46''x0.47''Wireless Standard: IEEE802.11ac/a/n/g/bInterface: USB 3.0Antenna: External 5dBi Dual Frequency High Gain AntennaTransmission Distance: Indoor MAX: 100m (Varies depending on the environm..