S.C. Code § 16-11-840
It is unlawful for any person, without the express authorization of a franchised or other duly licensed cable television system, knowingly and wilfully to manufacture, import into this State, distribute, sell, offer to sell, possess for sale, advertise for sale, or install any device, or any plan or kit for a device or for a printed circuit, designed in whole or in part to decode, descramble, or otherwise make intelligible any encoded, scrambled, or other nonstandard signal carried by that cable television system. For the purposes of this section, "encoded, scrambled, or other nonstandard signal" includes, but is not limited to, any type of signal not intended to produce an intelligible program or service without the aid of a decoder, descrambler, filter, trap, or similar device.
S.C. Code § 16-11-840