Mediatek Ralink RT5370N  is a cost-effective, highly integrated USB Wi-Fi single chip containing an 802.11n MAC and baseband, a 2.4 GHz RF, PA, LNA and T/R switch on a single chip. It supports a 150 Mbps PHY data rate and fully complies with 802.11b/g/n specifications 

 - MediaTek(Ralink) RT5370N chipset

 - IEEE 802.11 b/g/n (1T1R mode)

 - USB 2.0 host interface

 - Power-Rating :  <160mA at 5.0V DC input

 - Dimension : 22.5 x 13.8 x 6.5 mm

 - Weight : 3.5 g 

Android and Linux compatible.