I used a 27mhz airtronics on my high powered 6s custom RC and after a few runs I could not use the radio any more so I modified my DX6i and it's awesome !
Here is what I use on my crawlers, Shortcourse and 1/5 on road AWD.
WTF is that, and were can I get one my ex-10 isn't "alien" enough for me...