Review of Linux Compatibility
The USB stick TL-WN725N from TP-Link supports 802.11n WiFi with up to 150Mbps transfer rate and has a very small size of 1.5 cm x 1.9 cm x 0.7 cm.
The stick bases on the Realtek chip set RTL8188CUS and has the USB ID 0bda:8176
Bus 002 Device 004: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN
The device is fully supported by Linux thanks to the kernel module rtl8192cu.