FCC ID: 2AV6E-YJ1738 Face recognition terminal

Label Location Model: YJ1738 FCC ID: 2AV6E-YJ1738 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.

Shenzhen Sfirm Technology Co., Ltd. Authorization of Change in Identification Date:May 14, 2020 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Subject:

Reference FCC ID: 2AUE4-R608 Date of Grant:05/11/2020 Dear Sir/Madam, This letter grants authorization for representatives of Shenzhen Sfirm Technology Co., Ltd to apply to the FCC for a change in identification as specified under CFR Title 472.933(b) of the FCC rules. This authorization applies to Shenzhen Sfirm Technology Co., Ltd with Face recognition terminal and FCC ID 2AUE4-R608 Date of Grant:05/11/2020 . We are aware that Yujin Network Technology (Shanghai) Co., Ltd. intends to market the above referenced product under their own FCC ID. Sincerely, Signature Name: Summer Huang Title Manager Company Shenzhen Sfirm Technology Co., Ltd.

(Yujin Network Technology (Shanghai) Co., Ltd) Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/04/30 SUBJECT: FCC Application for FCC ID: 2AV6E-YJ1738 To Whom It May Concern:

We, the undersigned, hereby authorize Andy Yuan at Shenzhen BCTC Testing Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Andy Yuan of Shenzhen BCTC Testing Co., Ltd. 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. Regards,

(Haiyan Liao)

Yujin Network Technology (Shanghai) Co., Ltd FCC ID: 2AV6E-YJ1738 Request for 2.933 Change in identification of equipment Date 05/12/2020 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject:

Reference:

Dear Sir/Madam, Yujin Network Technology (Shanghai) Co., Ltd. requests a Change in Identification for a currently approved device. This application will establish a new FCC ID for purpose of marketing. The original Grant for 2AUE4,under FCC ID: 2AUE4-R608with a Grant Date of 05/11/2020 will remain in effect.An authorization letter from the original Grantee is attached. We attest that the equipment is electrically identical. Only the model name, trade name, and FCC ID are different.The original test results are applicable and continue to be representative of this device. The following files are provided as attachments:

Cover letter giving permission from original Applicant for Change in ID External photos showing no physical changes to this device New FCC identification label and its location. Thanks and Best Regards, Name: Haiyan Liao Signature:

Company: Yujin Network Technology (Shanghai) Co., Ltd Address : Room 201 - 203, Building 5, No. 2300 Xuanhuang Road, Pudong New Area, Shanghai, China Phone: 02138280001 Email : 27856647@qq.com

Yujin Network Technology (Shanghai) Co., Ltd Model Difference Product description: Face recognition terminal Model name: YJ1738, YJ1737 Trade Name: N/A FCC ID:2AV6E-YJ1738 All the model are the same circuit and RF module, except model names. Regards Sincerely Clients signature:

Clients name / title : Haiyan Liao / N/A Contact information / address: Room 201 - 203, Building 5, No. 2300 Xuanhuang Road, Pudong New Area, Shanghai, China