Right now, Amazon has the TP-Link AC1300 USB WiFi Adapter for $19.98, down from its usual price of $24.99. That’s $10.99 off and a discount of 20%.

TP-LINK's Mini Wireless N USB Adapter, TL-WN723N allows users to connect a desktop or notebook computer to a wireless network and access a high-speed Internet connection. The TL-WN723N is designed ...