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
Tree Fm|spektrum Dx6i Transmitter Switch Set For Rc Planes - Metal, 14+ Age
Spektrum Trainer Cord: ALL SPM : Toys & Games - Amazon.com
Buddy Box Training Radiomaster Tx to Spektrum DX9 - General Radio Discussion - RCM&E Home of Model Flying Forums
Spektrum DX6i Trainer Protocol
Review: Radiomaster WT01 Wireless Trainer Module - Oscar Liang
Spektrum DX8 and DX6i Buddy Box Setup "How-To" - YouTube
Buddy Box Training Radiomaster Tx to Spektrum DX9 - General Radio Discussion - RCM&E Home of Model Flying Forums
UHF RC system version 3, Hardware Manual version 3.30 and 3.31
Question: How is a Spektrum / Futaba transmitter to connect with the IKARUS USB interface?