Yup, those are the things you need for your emaxx and Erevo. Welcome to the 2.4GHz club .
Castle Neu 1520 on 6S LiPo Powered Gmaxx (Nitro Killer)
Predator with OS .21TM
Supermaxx with Mach .26
Revo with OS .18TZ
Kyosho ST-RR Conversion
Ofna CR with Tekin ESC/Motor (2)
I have the Futaba FASST with my MGM 16018, i'am on HRS mode, and i find that the response time is realy slow. They've a delay between the triger input and controller reaction.
But when i use it with my nitro savage, no problem at all.