Signal is everything, aerial photography is no longer NG the antenna extends the controlling distance, from 2.5km to 3.5km Yagi-Uda antenna principle The gain effect is obvious, has good directivity, and has a certain anti-interference ability High quality material Using PLA + pure aluminum, anodized, enhanced texture, wear resistance, corrosion resistance Small size and easy to carry The weight is about 6g, and the lightweight design makes it easy for customers to carry and store No tedious steps required Easy to install and disassemble, no need to change the control, plug and use in any time, non-destructive installation design, do not worry about damaging the remote control