HYUNDAI MOBIS CO., LTD. 203 Teheran-ro, Gangnam-gu, Seoul, Korea, 135-977 Letter of Authorization Date: Dec 10, 2019 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA We, the undersigned, hereby authorize Guenki Son of DT&C Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: TQ8-DA330S8AN including signing of all documents relating to these matters. Any and all acts carried out by Guenki Son of DT&C Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from HYUNDAI MOBIS CO., LTD. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Sincerely, Seung Hoon Choe Manager