GNU/Linux NetGear WNA3100M N300 Setup Guide
Hi! The linked Tutorial Shows You Step-by-Step How to Install NetGear WNA3100M N300 Wireless Driver in GNU/Linux Distributions.
And the Netgear WNA3100M N300 Dongle make use of the Realtek rtl8192CU Chipset.
Especially relevant: in case you can verify it following: How to Check Wireless Card Model on GNU/Linux.
Most noteworthy: the Driver may just be missing the Proprietary Firmware on Linux Based OSes because the rtl8192CU Module should be already provided by the Linux Kernel!