Which external wi-fi antenna and adapter to choose?

Question

WiFi

Recommend equipment for the next task. There is a laptop (no matter which one), for it you need to buy a USB wi-fi adapter, to which you need to hook up an external antenna.
Purpose of Travel. I often stop 50-100 meters from the signal source. We need something compact and not very expensive.

Answer 1

This issue has long been studied by all sailors of the CIS countries, who, due to their specifics, need a long-range Wi-Fi device.
At the moment, the solution looks like this - Alfa Network. And here the nuances begin to appear. Lots of fakes for them. Which power to choose - 1000mW, 1500mW or 2000mW. Which chipset to choose. Not all models support hacking Wi-Fi networks (Back Track, Wifi Way, Beini + Realtek RTL8187L).