Using this antenna is a breeze. First, identify the device you want to connect it to. If your device has an RP - SMA connector, simply plug the antenna in. If it has a SMA or u.FL connector, use the corresponding adapter. Make sure the connection is secure. When using, try to place the antenna in an open area for better signal reception. As for maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures or rough handling. If you notice any issues with the signal, check the connections first. If the problem persists, you may need to replace the antenna or consult a professional.