There are different names for what we call the Surf-Stick: Internet Stick, UMTS stick, Prepaid Internet Stick, Web and Walk Stick, USB Internet Stick, Stick Web. This refers to a USB flash drive that looks like a normal memory stick, into which you can insert a SIM or micro-SIM card and mobile so you can surf the Internet.
So a surfstick is also an internet stick, if the stick works on 3G, you could call it 3G Surfstick, but if it’s for 4G, you could call it 4G surfstick or 4G Internet sitck, with USB appearance, you could call it 3G or 4G USB surfstick or internet stick.