Damaging surges associated with lightning or utility problems can travel along your utility and data lines, damaging your electronic devices and destroying your valuable data. Even smaller everyday surges can degrade the performance of your electronics and decrease their life. The APC 11-Outlet Performance SurgeArrest Surge Protector (telephone/coaxial protection) offers the highest level of protection for your professional computers, electronics and connected devices, as well as provides surge protection for all of your data lines. Its state of the art circuitry provides protection for even the most sensitive electronic equipment.