Wired Trainer Adapter: iX and NX Transmitters | Spektrum
CABLE_MJRC. Cable audio stereo Mini Jack 3.5mm to RC Female Connector (For signal SPPM, RC standar transmitter to BTSD1 transmitter). – eXtended Long Range System
Amazon.com: Radiolink Wireless Trainer System RC Radio Controller PPM Trainer Cord Cable for Airplane Flight Training Works with AT9S/AT9S Pro/AT10/AT10II/T8FB/T8S : Toys & Games
Spectrum DX6e and USB interface - aerofly RC 7 - IPACS Aerofly Forum