(a) Except as otherwise specifically provided in this article, any person who manufactures, assembles, possesses or sells any electronic, mechanical or other device, knowing or having reason to know that the design of the device renders it primarily useful for the purpose of the illegal interception of wire, oral or electronic communications is guilty of a misdemeanor, and, upon conviction thereof, shall be imprisoned in the county jail for not more than one year or fined not more than $5,000 or both so fined and imprisoned.
(b) It is lawful under this section for:
(1) A provider of wire or electronic communication services or an officer, agent, or employee of, or a person under contract with, any such provider, in the normal course of business of the provider to manufacture, assemble, possess or sell any electronic, mechanical or other device which is designed for or which is primarily useful for the purpose of the illegal interception of wire, oral or electronic communications;