About drivers file (MT7601), you can download it through this link :
https://www.mediatek.com/products/broadbandWifi/rt3070
Description:
-1511N 11N is designed to provide a high-speed and unrivaled wireless performance for your computer. With a faster wireless connection, you can get a better Internet experience, such as downloading, gaming, video streaming and so on
Wireless-N USB 2.0 Adapter allows you to connect your laptop or desktop to any Wireless-N networks in your home or office. The Wireless-N (802.11n) USB 2.0 Adapter is great for those who want to upgrade older computers to be able to access the internet over a Wireless-N network.
At 5 times faster than traditional Wireless-G (802.11b) networks, Wireless-N networks allow for high speed data transfers, online gaming, and lightning fast downloads. The Wireless-N USB 2.0 Adapter gives you access to all the high-speed features of Wireless-N networks on older and newer computers. Its simple and easy setup means you'll be surfing the internet, downloading movies, and e-mail in no time.
Features:
l 150Mbps wireless transmission rate
l Provides two methods of operation: Infrastructure and Ad-Hoc
l Quick Secure Setup, complies with WPS for worry wireless security
l Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X
l Supports For PSP for online game
l Supports For Windows XP/Vista/win7/win8/Mac OS
l Seamlessly compatible with 802.11b/g/n devices
l Equipped with an elegant and stylish USB Cradle for flexible deployment
Software Specification
Standard
IEEE 802.11n,IEEE 802.11g, IEEE 802.11b