RadioLink RC4GS V3 w/ R6FG 2.4GHz Radio SystemRadioLink (#RC4GSV3) RC4GS V3 w R6FG 2. 4GHz 4CH Radio System Feature : 400 Meters Ground Distance With the same FHSS spread spectrum of AT9S Pro and 67 channels, pseudo random frequency hopping makes RC4GS V3 have the superior anti interference ability both at the same frequency band and different frequency bands. With the transmitter chip of ARM M4 and the receiver chip as the industrial 32bits ARM Cortex M0, ensuring the superior ability of anti