Is the WiFi on the brand new Mavic Air actually any good in relation to working round objects that trigger sign interference?

MY GEAR USED TO CREATE THIS VIDEO:
DJI Mavic Air: https://amzn.to/2HDeC3Q
DJI Mavic Professional: https://amzn.to/2JMRLn7
GoPro Hero 5: https://amzn.to/2JNmccX
Tascam DR-10L: https://amzn.to/2HCl1wh
GoPro Hat: https://amzn.to/2H2lHJY