Spektrum DX4C, AVC technology for nearly any RC - RCTalk
Horizon Hobby - You can now add AVC to any vehicle thanks to the newest DX4S Combo, which is now in-stock and shipping! This version of the DX4S includes all the AVC
SRS4210 DSMR AVC Surface Receiver | Spektrum
SPEKTRUM DX4S 2,4GHZ DSMR AVC TRANSMITTER WITH 2STK. SRS4210 AVC RECEIVER - buy now - at Modellbau Lindinger