multiprotocol transmitters

Hi All I am really happy with my DIY F450 and 1200mm build. Its pretty strong and responsive I work with a small R&D firm where we test various RF products for various purpose and need help with some questions. FIY, FC Pixhawk 4 mini, T Motor ESC and U7 motors remains as it is in frame. I keep...

This winter I'd like to practice with a multi-protocol transmitter and simulator, neither of which I have experience with. I want a transmitter I can fly with that binds to Hubsan, etc. and has USB port. My budget for this is around $200. I've had quads like MJX and Syma for a few years and I...