This unit doesn't come with an external power supply.

Using this Williams Sound PPA T45 NET D FM Transmitter with Dante is straightforward. First, connect the device to your audio source. Remember, since it doesn't have a power supply, you'll need to use your own compatible one. When powering it on, ensure the connections are secure. During use, keep it in a dry and cool place to prevent overheating. For maintenance, clean the device gently with a dry cloth regularly. Avoid exposing it to water or extreme temperatures. If you have any issues, check the connections and power source first.