Yeh,i forgot. If you buy the 3dr 433mhz, go for the V2, not the V1.
V1 doesnt have usb on the air modul, and if you mess up the config like i did, you need a FTDI USB-Serial adapter, like this one to reset it
https://www.ebay.com/itm/FTDI-FT232RL-USB-to-TTL-Serial-Converter-Adapter-Module-5V-and-3-3V-Cable/222536957569?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
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