FCC ID 2AVYF-DS21

2AVYFDS21, 2AVYF DS21, 2AVYF-DS21, 2AVYF-DS2I, 2AVYF-D521

Hangzhou Huacheng Network Technology Co.,Ltd. Dorisen DS21

An FCC ID is the product ID assigned by the FCC to identify wireless products in the market. The FCC chooses 3 or 5 character "Grantee" codes to identify the business that created the product. For example, the grantee code for FCC ID: 2AVYF-DS21 is 2AVYF. The remaining characters of the FCC ID, -DS21, are often associated with the product model, but they can be random. These letters are chosen by the applicant. In addition to the application, the FCC also publishes internal images, external images, user manuals, and test results for wireless devices. They can be under the "exhibits" tab below.

Purchase on Amazon: Dorisen

Application: Dorisen
Equipment Class: DTS - Digital Transmission System
Short Link: fcc.id/2AVYF-DS21
Sources: FCC.gov | FCC.report
Registered By: Hangzhou Huacheng Network Technology Co.,Ltd. - 2AVYF (China)

App #	Purpose	Date	Unique ID
1	Original Equipment	2021-08-24	0g+qOv4WPUIHkqJFECi88Q==

Operating Frequencies

Frequency Range	Power Output	Rule Parts	Grant Notes	Line Entry
2.412-2.462 GHz	100 mW	15C	MO	1
2.422-2.452 GHz	120 mW	15C	MO	2

Exhibits

Document	Type	Submitted Available
Test report	Test Report Adobe Acrobat PDF (1407 kB)	2021-08-24 2021-08-24
RF Exposure Info MPE	RF Exposure Info Adobe Acrobat PDF (419 kB)	2021-08-24 2021-08-24
Appendix A for 2.4G WiFi	Test Report Adobe Acrobat PDF (3864 kB)	2021-08-24 2021-08-24
Setup photo	Test Setup Photos Adobe Acrobat PDF (930 kB)	2021-08-24 2021-08-24
Internal photo	Internal Photos Adobe Acrobat PDF (1778 kB)	2021-08-24 2021-08-24
External photo	External Photos Adobe Acrobat PDF (871 kB)	2021-08-24 2021-08-24
Confidentiality_FCC	Cover Letter(s) Adobe Acrobat PDF (64 kB)	2021-08-24 2021-08-24
Auth letter	Cover Letter(s) Adobe Acrobat PDF (16 kB)	2021-08-24 2021-08-24
Letter MCL	Cover Letter(s) Adobe Acrobat PDF (108 kB)	2021-08-24 2021-08-24
Applicant_Declaration_Letter	Cover Letter(s) Adobe Acrobat PDF (114 kB)	2021-08-24 2021-08-24
User Manual	Users Manual Adobe Acrobat PDF (3566 kB)	2021-08-24 2021-08-24
Label	ID Label/Location Info Adobe Acrobat PDF (144 kB)	2021-08-24 2021-08-24
Block diagram_RF	Block Diagram Adobe Acrobat PDF (348 kB)	2021-08-24
Schematics_RF	Schematics Adobe Acrobat PDF (91 kB)	2021-08-24
Operational description	Operational Description Adobe Acrobat PDF (12 kB)	2021-08-24
Bolckdiagram_unit	Block Diagram Adobe Acrobat PDF (156 kB)	2021-08-24
Schematics_unit	Schematics Adobe Acrobat PDF (642 kB)	2021-08-24

Application Forms

1 (2021-08-24)

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	Hangzhou Huacheng Network Technology Co.,Ltd.
FCC Registration Number (FRN):	0029342938
Alphanumeric FCC ID:	2AVYFDS21
Unique Application Identifier:	0g+qOv4WPUIHkqJFECi88Q==
Line one:	No.2930, Nanhuan Road, Binjiang District,
City:	Hangzhou
State:	N/A
Country:	China

TCB Information

TCB Application Email Address:	USCTS.TCB@SGS.COM
TCB Scope:	A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID

Grantee Code:	2AVYF
Product Code:	-DS21

Person at the applicant's address to receive grant or for contact

Name:	Jian Li
Title:	Certification Manager

Telephone Number:

0571-28822025

Extension:

Fax Number:	0571-28178753
Email:	Li_jian5@dahuatech.com

Technical Contact

Firm Name:	SGS-CSTC Standards Technical Services Co., Ltd.
First Name:	Parlam
Last Name:	Zhan
Line 1:	588 West Jindu Road, Xinqiao, Songjiang
City:	ShangHai
Country:	China
Zip Code:	201612

Telephone Number:

+862161915666

Extension:

Fax Number:	02161915678
E-Mail:	Parlam.zhan@sgs.com

Non Technical Contact

Firm Name:	SGS-CSTC Standards Technical Services Co., Ltd.
First Name:	Parlam
Last Name:	Zhan
Line 1:	588 West Jindu Road, Xinqiao, Songjiang
City:	ShangHai
Country:	China
Zip Code:	201612

Telephone Number:

+862161915666

Extension:

Fax Number:	02161915678
E-Mail:	Parlam.zhan@sgs.com

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: DTS - Digital Transmission System
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	Dorisen

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? No

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: Compliance Certification Services (Kunshan) Inc.

First Name: Jessica

Last Name: Chen

Telephone Number:

+ 86-0512-57355888

Extension:

258

E-mail: Jessica.chen1@sgs.com

Grant Comments

Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Power Output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter evaluation procedures as documented in this filing. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has 20 MHz and 40MHz bandwidth mode.

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND IMPRISONMENT (U.S. CODE, TITLE 18, SECTION 1001), AND/OR REVOCATION OF ANY STATION LICENSE OR CONSTRUCTION PERMIT (U.S. CODE, TITLE 47, SECTION 312(a)(1)), AND/OR FORFEITURE (U.S. CODE, TITLE 47, SECTION 503).

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes.

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements.

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time.

Signature of Authorized Person Filing: Parlam Zhan

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: SGS-CSTC Standards Technical Services Co., Ltd.

Name: Parlam Parlam Parlam

Line 1: Parlam

Line 2: Parlam

P.O. Box: Parlam

City: Parlam

State: Parlam

Country: Parlam

Zip Code: Parlam

Telephone Number:

+862161915666

Fax Number: 02161915678

E-mail: Parlam.zhan@sgs.com

Applications are submitted for FCC ID and Grant requests. Click an above application to view details

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

SGS North America, Inc.
620 Old Peachtree Road NW Suite 100
Suwanee, GA 30024

Date of Grant: 08/24/2021

Application Dated: 08/24/2021

Hangzhou Huacheng Network Technology Co.,Ltd.

No.2930, Nanhuan Road, Binjiang District,

Hangzhou,
China

Attention: Jian Li , Certification Manager

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AVYF-DS21

Name of Grantee:	Hangzhou Huacheng Network Technology Co.,Ltd.

Equipment Class:	Digital Transmission System
Notes:	Dorisen

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
MO	15C	2412.0 - 2462.0	0.1
MO	15C	2422.0 - 2452.0	0.12

Power Output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter evaluation procedures as documented in this filing. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has 20 MHz and 40MHz bandwidth mode.

MO:	This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

Hangzhou Huacheng Network Technology Co.,Ltd.
No.2930, Nanhuan Road, Binjiang District,
Hangzhou,
China

Date of Grant: 08/24/2021

Application Dated: 08/24/2021

Attention: Jian Li , Certification Manager

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AVYF-DS21

Name of Grantee:	Hangzhou Huacheng Network Technology Co.,Ltd.

Equipment Class:	Digital Transmission System
Notes:	Dorisen
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
MO	15C	2412.0 - 2462.0	0.1
MO	15C	2422.0 - 2452.0	0.12

MO:	This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

Mail To:

EA317003

FCC ID 2AVYF-DS21

2AVYFDS21, 2AVYF DS21, 2AVYF-DS21, 2AVYF-DS2I, 2AVYF-D521

Hangzhou Huacheng Network Technology Co.,Ltd. Dorisen DS21

Purchase on Amazon: Dorisen

Operating Frequencies

Exhibits

Application Forms

Applications are submitted for FCC ID and Grant requests. Click an above application to view details

Grants

Grants authorize equipment for operation at approved frequencies and sale within the USA. Click an above grant to view details