PCT MA28PN RF Amplifier Passive Return CATV Amp 8-Ports 8 Ports with a +4dB boost per port, doubles your signal strength. Ideal for use with Over the Air antennas or Cable TV to prevent signal loss to multiple locations Reduces snow on standard cable. Prevents image pixelation with digital cable and OTA reception Ultra small form factor for ease of installation in confined spaces. NOT FOR USE WITH SATELLITE TV Compatible with all standard and digital Cable TV services, as well as OTA (over the air) antenna reception Manufacturer does not include printed instructions or cables. Instructions can be obtained by following instructions on the box label. Package includes Amplifier and Power Adapter. 5-year warranty obtained through reseller