RSU144 type RF divider is applied to colour TV receiver with digital audio broadcast、Analog/Digital signal changeover function.It has two signal input parts(cable and terrestrial TV signal),two signal output parts(to D/A-Tuner、to OOB-Tuner)。It has 5V DC supply and 3.3V voltage changeover channel mode,The product struction is compact and high reability . It has good signal smooth，excellent isolation charactristic, strong interference resist.