Model aircraft can be divided into two categories:
1. Real-time transmission of aerial model
Refers to an airplane with a remote controller, a screen, an image transmission and reception antenna, a camera and an image transmission device.
Features: It is expensive and can transmit images at any time without reading.
2. Aerial photography records model aircraft
Refers to a camera with an airplane camera, SD card or TF card or a camera with its own storage.
Features: cheap, but no pictures. You can only watch the video if you record it and watch it on the card.