Using this DJI O3 Air Unit antenna is a breeze. First, make sure your device is the DJI O3 Air Unit as it's designed specifically for it. Connect the antenna to your device using the I - PEX connector. When in use, try to keep it in an open space to maximize its long - distance transmission ability. As for maintenance, keep it clean and dry. Avoid dropping or applying excessive force to it. If it gets dirty, you can use a soft, dry cloth to gently wipe it. Also, store it in a cool, dry place when not in use to prolong its lifespan.