2-way splitter before the video distribution amplifier to separate out the cable modem feed, this box does that for you. The WP-MOD-VID1X8PWR-PC features a 13dB powered amplifier with 1 input and 8 outputs and a PC Modem Connection to simplify the installation process. WP-MOD-VID1X8PWR-PC outside because it is weather sealed to 15 PSI. Just remember to protect the power supply if you are installing it in a harsh environment. In addition, the housing is shielded to provide 130dB of extra interference protection. As a 13dB gain powered amplifier you can provide a 54 - 1000Mhz signal to up to 8 rooms. In addition to acting as a powerful amplifier / splitter, this unit allows for an output to connect the PC cable modem. No need for a separate 2-way splitter before the amplifier.