FCC ID: ZNPWD-4512BT Wireless USB Adapter

WIRELESS ADAPTER 600Mbps Wireless USB Adapter 802.11ac/a/b/g/n+BT Model: WD-4512BT KEY FEATURES 600Mbps wireless transmission rate Dual band frequency 2.4GHz 150Mbps 5.8GHz 433Mbps Provides two methods of operation:

Infrastructure and Ad-Hoc Quick Secure Setup, complies with WPS for worry free wireless security Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X Supports Windows XP/Vista/win7/win8/win8.1/Win10 Seamlessly compatible with 802.11b/g/n devices With Bluetooth 4.2 Cradle for flexible deployment Specifications Chipset Realtek RTL8821CU Interface Wireless Speed Frequency Range Wireless Transmit Power USB2.0 Hi-Speed connector Bluetooth 4.2 11n: Up to 150Mbps AC: Up to 433Mbps 2.4GHz & 5.8GHz 20dBm(MAX EIRP) Modulation Technique OFDM/CCK/16-QAM/64-QAM Work Mod Ad-Hoc / Infrastructure Wireless Security 64/128 bits WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Temperature Range Operating: -20C to 70C, Storage: -40C to 90C Humidity Operating: 5% to 95% (non-condensing), Storage: Max. 90% (non-condensing) Support Operating System Windows Dimensions (H x W x D) 19.5x 15x 7 mm Copyright WODESYS CO., LTD .

| WWW.WODESYS.COM Wodesys does not accept liability for any errors that may arise. All specifications are subject to change without notice.

WIRELESS ADAPTER RF Performance Table for 2.4GHz and 5.8GHz Data Rate 1Mbps 11Mbps 6Mbps 54Mbps MCS0 MCS7 MCS8 MCS0 MCS9 2.4GHz 802.11b 2.4GHz 802.11g 2.4GHz 802.11n 20MHz 2.4GHz 802.11n 40MHz TX Power Toleran ce 16dBm 16dBm 14dBm 13dBm 13dBm 13dBm 13dBm 13dBm 13dBm 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB Dimensional Drawing Data Rate 1Mbps 11Mbps 6Mbps 54Mbps MCS0 MCS7 MCS8 MCS0 MCS9 RX Specifcations Sensitivity

-97dBm

-90dBm

-92dBm

-76dBm

-92dBm

-75dBm

-71dBm

-89dBm

-67dBm 6Mbps

-94dBm 54Mbps

-78dBm MSC0

-89dBm MCS

-64dBm Toleran ce 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB 2.4GHz 802.11b 2.4GHz 802.11g 2.4GHz 802.11n 20MHz 2.4GHz 802.11n 40MHz 5.8GHz 11a 5.8GHz 11ac 80MHz 2 Copyright WODESYS CO., LTD .

| WWW.WODESYS.COM Wodesys does not accept liability for any errors that may arise. All specifications are subject to change without notice.

WIRELESS ADAPTER 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 This device 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 device 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 device does cause harmful interference to radio or television reception, which can be determined by turning the device 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 device and receiver.

--Connect the device 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment FCC Radiation Exposure Statement The antennas 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 for operating in conjunction with any other antenna or transmitter. 3 Copyright WODESYS CO., LTD .

| WWW.WODESYS.COM Wodesys does not accept liability for any errors that may arise. All specifications are subject to change without notice.

JAEWONCNC Co.,Ltd A-501-510, 517, H-Businesspark, 25, Beobwon-ro I1-gil, Songpa-gu, Seoul, Republic of Korea Date: 2023-9-19 To:

Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern, The letter grants authorization for representative of Shenzhen Century Xinyang Tech Co.,Ltd to apply for its own FCC identification number ECC 1D: ZNPWD-4512BT for the product that is the subject of the JAEWONCNC Co.,Ltd, FCC ID: 2BASE-WD4512BT, granted on 07/01/2023. 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. Applicant/Grantee (Original Company) Name: JAEWONCNC Co.,Ltd Applicant/Grantee (New Company) Name: Shenzhen Century Xinyang Tech Co., Ltd New applicant Grantee Code (s): ZNP New applicant FRN (s): 0020939831 Name of New Point of Contact to be in EAS Database: Wiley Tsai E-mail address of New Point of Contact in EAS Database: sales@sztianhao.com Please contact me if you have any question, Contact name / title : JONG BOK PARK/

Company: JAEWONCNC Co.,Ltd address : A-501-510, 517, H-Businesspark, 25, Beobwon-ro 11-gil, Songpa-gu, Seoul, Republic of korea Tel: 13510924801 Fax: +82-2-6281-8730 E-mail: jpark@jaewoncnc.co.kr

Shenzhen Century Xinyang Tech Co., Ltd 3F, North Building,Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-9-19 To whom it may concern:

We, Shenzhen Century Xinyang Tech Co., Ltd, hereby certify that the equipment for which authorization is sought (FCC ID: ZNPWD-4512BT) 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 foc. 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). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 DO1 Sincerely, Whley Thai Signature Wiley Tsai Manager Shenzhen Century Xinyang Tech Co., Ltd

Shenzhen Century Xinyang Tech Co., Ltd 3, North Building,Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-9-19 To whom it may concern:

We, the undersigned, hereby authorize Eurofins Product Service GmbH to acton our behaifin all matters relating to applications for equipment authorization FCC ID: ZNPWD-4512BT including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins current valid General Terms and Conditions

(AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Whley Thai Name/Title: Wiley Tsai/Manager Company: Shenzhen Century Xinyang Tech Co., Ltd Address: 3F, North Building, Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Phone: +86-755-26616600 Fax: +86-755-26616600 E-Mail: sales@sztianhao.com

Shenzhen Century Xinyang Tech Co., Ltd 3, North Building Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Attention: Application Examiner / Review Engineer Subject: Request to change in identification per section 2.933 of FCC rules Reference: FCC ID: ZNPWD-4512BT Date: 2023-9-19 To The Commission:

This change of Identification request applies for a new FCC ID: ZNPWD-4512BT as established in 47CER 2.933(b) for a currently approved device. This application by Shenzhen Century Xinyang Tech Co., Ltd will establish a new FCC ID under Shenzhen Century Xinyang, Tech Co., Ltd Grantee code for purpose of marketing. The original grant to JAEWONCNC Co.,Ltd will remain in effect. An authorization letter by JAEWONCNC Co.,Ltd attached. Per 2.933(b) 1. The original identification is FCC ID: 2BA5E-WD4512BT 2. The original grant date is 07/01/2023 3. The equipment is identical to the original equipment. 4. The original test results are applicable and representative of this changed device. 5, Exterior photographs are included in this application. The following files are electronically submitted as attachments:

FCC ID label and label location External photographs Letter of Change FCC ID Authorization Letter for FCC ID User Manual Product Equality Declaration Sincerely, Yhley Dai Client's name / ttle : Wiley Tsai/Manager Company: Shenzhen Century Xinyang Tech Co., Lid address : 3F, North Building.Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Tel: +86-755-26616600 Fax: +86-755-26616600 Email: sales@sctianhao.com

Shenzhen Century Xinyang Tech Co., Ltd 3F, North Building, Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Date: 2023-9-19 To:

Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern, Original FCC ID: 2BAS5E-WD4512BT; Model Number: WD-4512BT New FCC ID: ZNPWD-4512BT; Model Number: WD-4512BT This is to advise and officially, that we, Shenzhen Century Xinyang Tech Co., Ltd hereby declare that the product name is same and only FCC ID and model number difference as market requirement;

The original test results continue to be representative of and applicable to the equipment of the new FCC ID;

If you have any query, please feel free to contact me. Sincerely, Client's name / title : Wiley Tsai/Manager Company: Shenzhen Century Xinyang Tech Co,, Lid address : 3F, North Building, Bantian High-tech industrial Zone, No. 2 of Bell Road, Longgang, Shenzhen, Guangdong, China Tel: +86-755-26616600 Fax: +86-755-26616600 Email: sales@sztianhiao.com

Shenzhen Century Xingyang Tech Co.,Ltd 3F, North Building, Bantian High-tech industrial Zone, No.2 of fell Road, Longgang, Shenzhen, Guangdong Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-9-7 U.S. Agent Designation Shenzhen Century Xingyang Tech Co.,Ltd acknowledges their onsent 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: ZNPWD-4512B7): '

Name and company of U.S. agent: USA MEIHUA TRADING INC. Physical U.S. address of agent: 5379 Pine Valley Ct Boulder CO 80301 United States FRN of U.S. agent: 0033406166 |

Email address of U.S. agent: meihua.trading.inc@gmail.com

USA MEIHUA TRADING INC acknowledges their obligation to accept service of process on behalf of Shenzhen Century Xingyang Tech Co.,Ltd Shenzhen Century Xingyang Tech Co.,Ltd with the FRN [0020939831) 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 i 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). |

The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 DO1. An expiration date for this letter does not exist. In case the U.S, agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, i nk

? ee Signature Signature Wiley Tsai May Guin Manage Shenzhen Century Xingyang Tech Co.,Ltd USA Metta TRADING INC gtherly Elec