This optional splitter cable is required if you want the Remote 2 to receive power and send data through the DMD-T665 harness.
DMD-T665 Splitter Cable for DMD Remote
AU$35.00Price
If you're powering the T665 using the waterproof USB cable, the splitter can also be used to power the Remote 2. However, please note that a direct wired data connection between the two devices is not supported in this setup—the Remote 2 will need to connect via Bluetooth.