2.4ghz 2w radio amplifer

[leedavid2606]

what kind of range would i get from my phantom v.1.1.1 with this added to remote
http://www.ebay.co.uk/itm/2-4G-2W-Radio ... 2549&rt=nc

 

[SteveMann]

what kind of range would i get from my phantom v.1.1.1 with this added to remote
http://www.ebay.co.uk/itm/2-4G-2W-Radio ... 2549&rt=nc

Generally to double the distance, you need 6db more effective radiated power. My math is rusty, but recalling how I passed the test... 600mw +6db would be 2400mw, or 2.4watts.
I'm certain someone will correct me.