Turnigy 9xr PRO Radio Transmitter Mode 2 (Without Module)
ARM version of er9x radio firmware with EESKYPE simulater GUI support;24 channel support;48 free mixes;Atmel SAM3S ARM Cortex M3 , 32 bit Micro-controller , 512K flash , 64Kb of SRAM;4Mb EEprom for 30+ model storage