5-1000 MHz RF Bi-Directional Digital Coax/ Coaxial Cable Splitter for CATV Internal circuit board for better reliability/durability. Outside is weather resistant design for keeping elements out Accurately split your Cable TV and antenna signal with an advanced 4 Way CATV Splitter. Low signal loss of only 3.5db on each output port improving performance and speeds All Ports are Power passing for easy connection High shielding structure lowers digital noise and improves signal quality, reducing packet loss for Modems, and for all other Devices Small size,light weight ,easy to install.