Do the FLIR C2, C3, C3-X, C5, E4, E5, E5-XT, E6, E6-XT, E8, or E8-XT stream video over Wi-Fi?

No, unfortunately FLIR Cx-Series (C2, C3, C3-X, C5) and Ex-Series (E4, E5, E5-XT, E6, E6-XT, E8, E8-XT) cameras are not able to stream video over Wi-Fi.

Video streaming is only possible using a USB cable.