SFK-WF808WiFi 6 Extender

Declaration of authorization Date: 2021-09-01 FCC ID: SFK-WF808 We, the undersigned, hereby authorize MRT Technology (Suzhou) Co., Ltd to act on our behalf, to act on our behalf in all manners relating to FCC approval of our products: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification. Any act carried out by MRT Technology (Suzhou) Co., Ltd within the scope of this authorization shall have the same effects as our own. Name Representative of agent: Marlin Chen Agent Company name: MRT Technology (Suzhou) Co., Ltd Address: D8 Building, Youxin Industrial Park, No.2 Tian'edang Rd., Wuzhong Economic Development Zone, City: Suzhou Country: China If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, Signature : Print name: Ma Zhonghua CIG Shanghai Co., Ltd. Title: Certification Manager

Confidentiality Letter Date: 2021-09-01 Federal Communications Commission Authorization and Evaluation Division FCC ID: SFK-WF808 Confidentiality Request Pursuant to FCC 47 CRF 0.457(d) and 0.459, Section 10, Nokia Solutions and Networks requests that a part of the subject FCC and/or IC application listed below be held permanently confidential and permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public.  Operational Description  Block Diagram  Schematics Further, the Applicant has spent substantial effort in developing this product, some aspects of which are deemed to be trade secret and proprietary. Having the subject information easily available to our competitors in this market would negate the advantage we have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Sincerely yours, Signature： Print name: Ma Zhonghua CIG Shanghai Co., Ltd. Title: Certification Manager

Report No.: 2105RSU006-UE 1 of 5 EUT Photograph (1) EUT Photo (2) EUT Photo Report No.: 2105RSU006-UE 2 of 5 (3) EUT Photo (4) EUT Photo Report No.: 2105RSU006-UE 3 of 5 (5) EUT Photo (6) EUT Photo Report No.: 2105RSU006-UE 4 of 5 (7) EUT Photo (8) EUT Photo Report No.: 2105RSU006-UE 5 of 5 (9) Adapter #1 (10) Adapter #1

Report No.: 2105RSU006-UE 1 of 5 EUT Photograph (1) EUT Photo (2) EUT Photo 5G1 5G3 2G0 2G1 BLE Report No.: 2105RSU006-UE 2 of 5 (3) EUT Photo (4) EUT Photo 5G0 5G2 Report No.: 2105RSU006-UE 3 of 5 (5) EUT Photo (6) EUT Photo Report No.: 2105RSU006-UE 4 of 5 (7) EUT Photo (8) EUT Photo Report No.: 2105RSU006-UE 5 of 5 (9) EUT Photo (10) EUT Photo