3 Dongle Hacking I Have A 3 Dongle And The Signal Is Not Good. It Keeps Dropping Out. How Do I Increase The Dongle Reception?

I have a 3 dongle and the signal is not good. It keeps dropping out. how do I increase the dongle reception? - 3 dongle hacking

He is a regular 3 dongle network 3 and I am technophobe so clearly that English would be more useful! I am a half-mile from a good sign, and I would like suggestions as if it's a product I can get, or if you know a trick you can do to increase the signal or something!