The RPI is a remote powering device for the DR6 Touchscreen Digital Remote and the RAD26 One-Room Remote Audio Device. This power supply is needed when using the DR6 or RAD26 with rackmount HAL units (HAL3s and legacy units). The RPI is connected between the HAL and the peripheral controller using shielded Cat 5e cable (or better), and can be located at any point between the HAL units and the peripherals within a 325ft (100m) maximum distance. It requires 100-240 VAC and utilizes an included standard IEC cable. Its form factor is a rugged metal box, and can be mounted to any flat surface.