Retired aerospace engineer. Spent my early engineering years designing systems for the Gemini and Apollo space flight programs. I've been involved in model aircraft since 1956. Love the 2.4Ghz RC systems.
The Orangex receivers R620X to R1220X V2 with the built in telemetry offer a great value in DSM2/DSMX compatible receivers.
If you have a FrSky transmitter or a Turnigy 9XR or 9XR Pro, then you will love a iRangeX IRX4 Plus or iRangeX IRX4 mutli protocol module. This module works really great and allows me to bind and fly almost any 2.4Ghz receiver or BNF model out there. For example it works with my Blade Inductrix FPV, Blade Inductrix Pro FPV, Cheerson CX-95S, Syma X1, SBEGO Pocket Drone 124, Tryant 215 with FrSky XRS Rx, Blade 200SRX Heli, Blade MXR Heli and all my fixed wing aircraft. Protocols for this module include Futaba S-FHSS, Walkera DEVO, Spektrum DSM2, DSMX, Flysky, Frsky, WLToys, Hubsan, Hisky, Esky , Assan and many more.
Happy Flying,
Gary