Aerpro ARJ45TO8 RJ45 Pass-Through Adaptor has been designed specifically to suit various Toyota vehicles. It replaces the spare factory switch blanking plates in the vehicle dashboard that measure 23mm wide x 23mm high, providing a professional and seamless integration solution for your vehicle when installing a hideaway UHF radio with remote microphone. The connection type is RJ45 pass-through, the cable supplied with the hideaway UHF radio plugs into the rear of the adaptor, while the plug on the end of the remote microphone will plug into the face of the adaptor. The clip-in design makes it quick and easy to install.