IAI Searcher Mk2 UAV operated by us are Mode 2. Wicked, retro cool...
http://wingsoverk3.tumblr.com/post/51327538468/is-it-mode-1-mode-2-3-or-4-while-no-one
WoW...looks like the same RC Tx...but in a rugged case with military quality and spec..
Also the antenna has an extra amplifier and larger range - may be few tens of kms.