This 4-way splitter is compatible with digital broadcast television digital cable television off-air antennas and satellite distribution from 15 to 2150 MHz. Zinc-plated die-cast housing with precision-machined ports and a soldered back ensure 140 dB isolation against RF leakage. PC board technology eliminates low frequency hum for less noise and provides a clean stable return path for data from the cable box or cable modem. DC-passive for devices requiring DC power such as amplified antennas and DBS dishes.