Nordic Semiconductor NRF24L01: HiSky, Syma, ASSAN and most other Chinese models
RF Chip Data:
The TX16S internal RF system features the CC2500, NRF24L01, A7105 and CYRF6936 RF Chip modules all integrated on one board. This module most of today’s prominent RF protocols (See RF Chip data below). The RadioMaster internal RF module will support firmware updates directly from the radios Operating system. No complicated update procedures.