Okla. Stat. tit. 21, § 1874

A. Any person who intentionally manufactures an unlawful telecommunication device shall, upon conviction, be guilty of a Class D3 felony offense punishable by incarceration as provided for in subsections B through F of Section 20P of this title. B. If the offense under this section involves the intentional manufacture of five or more unlawful telecommunication devices within a six-month period, the person committing the offense shall, upon conviction, be guilty of a Class D1 felony offense punishable by incarceration as provided for in subsections B through F of Section 20N of this title.