Please noticed that all our remotes can be connected using Bluetooth! But if you want to have it connected by cable you need to have the 12V power supply since the box handles power and communications!
The easiest remote to connect by cable is the Remote 2 since it includes a splitter cable that makes it plug and play. Other remotes like the Remote1 and Remote2 can be used but require you to manually connect them to the open wires. This is covered on the device manual.
The ideal setup is the T665 with 12V power supply and Remote 2: