the Eurgle/Flysky GT3 may not be a direct knock off, but you can tell where the factory got its ideas for this radio from... look at the switch/button placement too.
here is one, you can find them everywhere... check ebay or RCU Adds for cheaper ones.... Also the Hitec ones should work too.
http://www3.towerhobbies.com/cgi-bin...?&I=LXNK66&P=7