FCC ID: 2AU3H-ESCS-WD30 2.4G Adapter

ESCS-WD30 User Guide This user guide is for ESCS-WD30 2.4G Adapter users only. Please read and save this manual carefully before use for future reference. Excelsecu Data Technology Co., Ltd. www.excelsecu.com 1. Packing list ESCS-W30 ESCS-WD30 2.4G Adapter User Guide 1 1 1 2. Product instruction 2.1. How to use ESCS-W30 wireless Barcode Scanner. This equipment must be used with into the USB of the PC, and the ESCS-W30 Plug the USB ESCS-WD30 2.4G Adapter will automatically connect with the ESCS-WD30 through 2.4G, so as to transmit the scanned code value to the PC. 3. Maintenance The shell of the device can be wiped with a clean soft cloth. If needed, user can use a small amount of detergent add to water, and wipe with a soft cloth. 4. Specification Model Dimension Material Working Voltage ESCS-WD30 19*15.1*6mm ABS DC 5V 0.25V Working Current

<260mA Connection USB Working Temperature:-10~50 Storage Temperature: -20~60 Working Humidity:

5%RH~95%RH(Non-condensing) Drop Test: 1.5m CE, FCC, RoHS, WEEE Environmental Parameter Certificate FCC Warning 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 modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital 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 frequency energy and, if not installed and used in accordance with the instructions, 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 or 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.

Excelsecu Data Technology Co., Ltd Declaration concerning Antenna Specification It is hereby declared that the product Model No.: ESCS-WD30 FCC ID : 2AU3H-ESCS-WD30 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for internal antenna type(s) described below:

Model No. of antenna: ESCS-WD30 PCB Antenna Type of antenna:

2.89 dBi Gain of the antenna:

2402-2480MHz Frequency range:

The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name:

Address:

City:

ZIP / Postal code:

Country:

Place:

Excelsecu Data Technology Co., Ltd Unit 701-708, South 7/F, SDGI Building A, No.2 Kefeng Rd., Nanshan District, Shenzhen, Guangdong, 518057 China Shenzhen, Guangdong 518057 China Date: 2/16/2023 Signature:

version01

Report No.: BL-SZ2320122-902 TEST REPORT Applicant:

Excelsecu Data Technology Co., Ltd. Address:

Unit 701-708, South 7/F, SDGI Building A, No.2 Kefeng Rd., Yuehai St., Nanshan District, Shenzhen, Guangdong Province, P.R.C. Equipment Type:

2.4G Adapter Model Name:

ESCS-WD30 Brand Name:

N/A Test Standard:

IEEE Std 149-2021 Sample Arrival Date:

Feb. 03, 2023 Test Date:

Feb. 06, 2023 Date of Issue:

Feb. 13, 2023 ISSUED BY:

Shenzhen BALUN Technology Co., Ltd. Tested by: Mai Jintian Checked by: Zou Liu Approved by: Tolan Tu

(Testing Director) _______________ _______________ _______________ Tel: +86-755-66850100 E-mail: qc@baluntek.com Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Page No. 1 / 14 Report No.: BL-SZ2320122-902 Revision History Version Issue Date Rev. 01 Feb. 13, 2023 Revisions Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 3 1.1 Test Laboratory ................................................................................................................... 3 1.2 Test Location ....................................................................................................................... 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information ........................................................................................................... 4 2.2 Manufacturer Information .................................................................................................... 4 2.3 General Description for Equipment under Test (EUT) ......................................................... 4 2.4 Ancillary Equipment ............................................................................................................. 4 2.5 Technical Information .......................................................................................................... 4 3 SUMMARY OF TEST RESULTS ............................................................................................... 5 3.1 Test Standards .................................................................................................................... 5 3.2 Test Verdict ......................................................................................................................... 5 3.3 Test Uncertainty .................................................................................................................. 5 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 6 4.1 Test Condition ..................................................................................................................... 6 4.2 Test Equipment List ............................................................................................................. 6 4.3 Test Setup ........................................................................................................................... 7 ANNEX A TEST RESULTS ........................................................................................................... 8 A.1 Gain and Efficiency ............................................................................................................. 8 A.2 VSWR ................................................................................................................................. 8 RADIATION PATTERN ..................................................................................................................... 9 ANNEX B TEST SETUP PHOTOS ............................................................................................. 13 ANNEX C EUT PHOTO .............................................................................................................. 13 Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 2 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 1 GENERAL INFORMATION 1.1 Test Laboratory Name Address Shenzhen BALUN Technology Co., Ltd. Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number

+86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 3 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Address Excelsecu Data Technology Co., Ltd. Unit 701-708, South 7/F, SDGI Building A, No.2 Kefeng Rd., Yuehai St., Nanshan District, Shenzhen, Guangdong Province, P.R.C. 2.2 Manufacturer Information Manufacturer Shenzhen Excelsecu Data Technology Co., Ltd Baoan Branch Address 1st to 3rd Floor, Building 28, Shancheng Industrial Zone, Shixin Community, Langxin Community, Shiyan Street, Baoan District, Shenzhen, P.R. China 2.3 General Description for Equipment under Test (EUT) EUT Name 2.4G Adapter Model Name Under Test ESCS-WD30 PCB Antenna Antenna Type Dimensions 10*3mm 2.4 Ancillary Equipment Note: Not applicable. 2.5 Technical Information Test Frequencies 2400MHzL, 2410MHz, 2420MHz, 2430MHz, 2440MHz, 2450MHz, 2460MHz, 2470MHz, 2480MHz, 2490MHz, 2500MHz. Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 4 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 3 SUMMARY OF TEST RESULTS 3.1 Test Standards No. 1 Identity Document Title ANSI/ IEEE Std 149-2021 IEEE Standard Test Procedures for Antennas 3.2 Test Verdict Report Section ANNEX A.1 ANNEX A.2 ANNEX B 3.3 Test Uncertainty Description Gain and Efficiency VSWR Radiation Pattern Remark

The uncertainty is calculated using the methods suggested in the "Guide to the Expression of Uncertainty in Measurement" (GUM) published by ISO. Item Gain Uncertainty 1.92dB Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 5 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 4 GENERAL TEST CONFIGURATIONS 4.1 Test Condition Selected Values During Tests Ambient Pressure(KPa) Temperature() Voltage Relative Humidity (%) 101 22.5 N/A 43 Environment Parameter Normal Temperature, Normal Voltage

(NTNV) 4.2 Test Equipment List Description Manufacturer Model Serial No. Cal. Date Cal. Due SG24 Multi-probe Antenna Measurement System Vector Network Analyzer SATIMO SG24-L 1101855-

0001 2021.11.12 2024.11.11 Agilent E5071B MY42404001 2022.04.02 2023.04.01 Description Manufacturer Test Software MVG Name SPM Version V 1.8 Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 6 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 4.3 Test Setup 4.3.1 Antenna gain, efficiency and radiation pattern test setup Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 7 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 ANNEX A TEST RESULTS A.1 Gain and Efficiency Frequency 2400MHz 2410MHz 2420MHz 2430MHz 2440MHz 2450MHz 2460MHz 2470MHz 2480MHz 2490MHz 2500MHz Gain (dBi) Efficiency (%) 2.75 2.72 2.64 2.78 2.89 2.77 2.55 2.41 2.35 2.36 2.37 62%

61%

60%

60%

61%

60%

59%

58%

59%

58%

57%

A.2 VSWR Frequency 2400MHz 2450MHz 2500MHz SWR 1.76 1.81 1.75 Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 8 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 RADIATION PATTERN B.1 3D Pattern B1.1 3D Pattern for 2400MHz B1.2 3D Pattern for 2450MHz Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 9 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 B1.3 3D Pattern for 2500MHz Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 10 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 B.2 1D Radiation Pattern B2.1 PHI=0 B2.2 PHI=90 B2.3 THETA=90 Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 11 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 B2.4 VSWR Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 12 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 ANNEX B TEST SETUP PHOTOS Please refer the document BL-SZ2320122-AO-2.PDF. ANNEX C EUT PHOTO Please refer the document BL-SZ2320122-AA-2.PDF. Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 13 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2320122-902 Statement 1. The laboratory guarantees the scientificity, accuracy and impartiality of the test, and is responsible for all the information in the report, except the information provided by the customer. The customer is responsible for the impact of the information provided on the validity of the results. 2. The report without China inspection body and laboratory Mandatory Approval (CMA) mark has no effect of proving to the society. 3. For the report with CNAS mark or A2LA mark, the items marked with "" are not within the accredited scope. 4. This report is invalid if it is altered, without the signature of the testing and approval personnel, or without the inspection and testing dedicated stamp or test report stamp. 5. The test data and results are only valid for the tested samples provided by the customer. 6. This report shall not be partially reproduced without the written permission of the laboratory. 7. Any objection shall be raised to the laboratory within 30 days after receiving the report.

--END OF REPORT--

Tel: +86-755-66850100 E-mail: qc@baluntek.com Page No. 14 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-09-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6372256.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Report No.: BL-SZ2320122-AO-2 TEST SETUP PHOTOS 1 / 2 Report No.: BL-SZ2320122-AO-2 2 / 2

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6372257.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case Report No.: BL-SZ2320122-AA-2 1.1 EUT PHOTO Antenna 1 / 1

- Excelsecu Data Technology Co., Ltd. -

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 U.S. Agent Designation 2/20/23 Excelsecu Data Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AU3H-ESCS-WD30):

Name and company of U.S. agent: Wilson Tech Service LLC Physical U.S. address of agent: 1312 17th Street Suite 692, Denver, CO, 80202, US FRN of U.S. agent: 0033402033 Email address of U.S. agent: Wilson.Cheung.FDA@gmail.com Wilson Tech Service LLC acknowledges their obligation to accept service of process on behalf of Excelsecu Data Technology Co., Ltd.. Excelsecu Data Technology Co., Ltd. accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(d)(7). Sincerely, Signature

[Helen Dong]

[QA Supervisor]

[Excelsecu Data Technology Co., Ltd.]

Signature Wilson Cheung Manager Wilson Tech Service LLC The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC. 3 0 V

, U

) 7

) d

1 1 9 2 _ t n e g A _ S U

l e d o m

_ 8 4

- Excelsecu Data Technology Co., Ltd. -

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2/16/23 To whom it may concern:

We, Excelsecu Data Technology Co., Ltd., hereby certify that the equipment for which authorization is sought (FCC ID: 2AU3H-ESCS-WD30) is not covered equipment prohibited from receiving an equipment authorization pursuant to 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing covered equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(b) and (d)(5) and (6). Sincerely, 2 0 V

, U

) i i

d n a

) i

) 5

) d

1 1 9 2 _ u q E d e r e v o C

l e d o m

_ 2 6 Signature

[Helen Dong]

[QA Supervisor]

[Excelsecu Data Technology Co., Ltd.]

The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01.