Using this SMA extender is a breeze. First, locate the SMA ports on your Crossfire, 2.4GHz or 5.8GHz devices. Then, simply plug the extender into the ports using the SMA plugs and jacks. It's that easy! When using it, make sure to keep the magnetic base clean to ensure a good connection. Also, avoid bending the extender too sharply as it may affect the signal. To maintain it, store it in a dry and cool place when not in use. If you notice any damage, it's best to replace it to keep your devices working well.