Using this telescopic antenna is a breeze. First, make sure the device you want to use it with is turned off. Then, find the mounting spot on your device and align the 3mm hole at the base of the antenna with the corresponding hole on your device. You can use a small screw to secure it. When you want to use the antenna, gently pull it out section by section until it reaches the desired length. For better reception, try adjusting the angle of the antenna. When you're done, carefully push the sections back in. As for maintenance, keep it dry and clean. Avoid bending it too forcefully as it may damage the structure. If it gets dirty, you can use a soft, dry cloth to wipe it down. If you have any problems, feel free to contact us.