FCC ID: 2AXX3-CMD77 WIRELESS CONTROLLER

Federal Communications Commission Notice This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modi compliance could void the user's authority to operate the equipment. ations not expressly approved by the party responsible for Note: This equipment has been tested and found to comply with the limits for a Class B igital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio talled and used in accordance with the instructions,

-36 may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

. Reorient o relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. THANKS 37-

Change in FCC Identification Authorization Letter Digifast_inc Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/10/26 To Whom It May Concern:

The letter grants authorization for representative of Digifast_inc to apply the FCC for a change in identification. This authorization applies to Shenzhen Hong Jingda Electronics Co.,LTD., FCC ID: 2ATWT-HD-061, granted on 2019-12-2. The equipment is electrically identical. The only change being the label on the device. The original test results, technical information and relevant documents continue to be representative of and applicable to the changed equipment. Should there be any question, please feel free to contact us. Sincerely, Clients signature:

Clients name & title: Shawn Li / Business Director Contact information /address: 4th Floor, Building A1, Jiuwei Third Industrial Zone, Jiuwei Community, Hangcheng Street, Baoan District, Shenzhen, China Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Change of ID auth v03 Page 1 of 1

Digifast_inc Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/10/26 SUBJECT: FCC Application for (FCC ID: 2AXX3-CMD77) To Whom It May Concern:

We, the undersigned, hereby authorize Liu Ze in Shenzhen United Testing Technology Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Digifast_inc on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely,

(Must be signed by the person that is listed on the FCC Website) Clients signature:

Clients name & title: Itan Liu/Sale Manager Contact information / address: 4F., No.21, Lane. 50,Sec. 3, Nangang Rd., Nangang Dist., Taipei City 115, Taiwan Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Authorization v02 Page 1 of 1

Digifast_inc Change in FCC Identification Authorization Letter Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/10/26 To Whom It May Concern:

This change of identification request applies for a new FCC ID: 2AXX3-CMD77 as established for a currently approved device. This application by Digifast_inc will establishes a new FCC ID under Digifast_inc s grantee code for purpose of marketing. The original grant to Shenzhen Hong Jingda Electronics Co.,LTD. will remains in effect. An authorization letter by Shenzhen Hong Jingda Electronics Co.,LTD. is attached. The equipment is electrically identical. The original test results are applicable and representative of this changed device. External photographs are included in the application. Should there be any question, please feel free to contact us. Sincerely, Clients signature: J tor L Ze Clients name & title: Itan Liu/Sale Manager Contact information / address: 4F., No.21, Lane. 50,Sec. 3, Nangang Rd., Nangang Dist., Taipei City 115, Taiwan Date: 04/17/2018 VCB_F-01: Operating Procedures Form FCC Change of ID Request v03 Page 1 of 1