FCC ID: 2AOW4-KTX433-USB 433MHz Transceiver with USB/RS232C interface

433MHz TRANSCEIVER UserGuide KTX433-USB Interface &Cable

. Technica RFChanne al Specific els(MHz) cations:

Modulatio nMode e Baud Rate Interface D Data Form at 432.7 434.0 700, 433.1 000, 434.3 00, 433.50 00, 434.60 00, 433.600 0 00, 434.900 0 GFSK K 9600 0bps USB

,8E1/8N1 d data forma at Power Sup pply DC 5 5V Overall Di mensions 60 X 42 X 21 m mm Commun nication Ap pplication n There is a channel setting switch as shown in the Figure, defined as A1, A2, and A3 respectively, where A1~A3 is for channel setting. Channel 1 2 3 4 5 6 7 8 Switch A1 A2 A3 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1 Frequency 432.700Mhz 433.100Mhz 433.500Mhz 433.600Mhz 434.000Mhz 434.300Mhz 434.600Mhz 434.900Mhz FCC Notices 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. 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 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. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. FCC Radiation Exposure Statement This device complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

FCC ID: 2AOW4-KTX433-USB Page 1 of 1 Report No.: CTL2401192062-WF FCC ID Label Information Label location:

Size: L1.0cm*W0.5cm 433MHz Transceiver with USB/RS232C interface Model: KTX433-USB FCC ID: 2AOW4-KTX433-USB

1201 N. 4TH STREET, WATERTOWN, WI 53098, USA CM GLOBAL Date2024/03/27 Product Model Number: KTX433-USB, KTX433-RS232C FCC ID: 2AOW4-KTX433-USB To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:

Testing Approval applications and procedures We declare that CORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out byORGANIZATION. on our behalf shall have the same effect as acts of our own. By:

Contact Listed on FCC Wesbite Title: Manager Email: lsmall@cmglo.com Telephone: +920 567 0327 On behalf of: CM GLOBAL

CM GLOBAL U.S. Agent Designation for Service of Process

(Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification Section 2.911(d)(7) Information Designated U.S. Agent Company Name: CM GLOBAL FRN: 0027178813 Contact Name: LISA M SMALL Street Address: 1201 N. 4TH STREET, WATERTOWN, WI 53098, USA City/Province/Zip: WATERTOWN, WI 53098 Telephone No: +920 567 0327 Email: lsmall@cmglo.com This letter is to confirm that we (the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature:

Date: Mar. 27, 2024 Signed by (Printed Name/Title): LISA M SMALL/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: CM GLOBAL FRN: 0027178813 Grantee Code: 2AOW4 FCC ID: 2AOW4-KTX433-USB Contact Name: LISA M SMALL Street Address: 1201 N. 4TH STREET, WATERTOWN, WI 53098, USA Telephone No: +920 567 0327 Email: lsmall@cmglo.com Applicant Signature:

Date: Mar. 27, 2024 Signed by (Printed Name/Title): LISA M SMALL/Manager

PRODUCT SPECIFICATION SHEET APPELLATION 433M Folding Rubber Rod Antenna PART NUMBER YXS-433-WZ108 Technical Quality Project Developing Manufacturer Client Materials Engineer Engineer Approval R & D System Shenzhen YXS Electronic Co., Ltd www.yxs-rf.com 521K, 5F, Xusheng R&D Building, Xifa B Industrial Area, Gonghe Industrial Rd., xixiang St., Bao 'an District,Shenzhen, sale@yxs-rf.com 0 1 PRODUCT TECHNICAL SPECIFICATION Electrical Specifications Frequency Range (MHz) 420-450MHZ Bandwidth (MHz) 30 Input Impendence Input Impendence ( ) 50 V.S.W.R Polarization Type 1.7 Vertical Lightning Protection DC Ground Power Capacity (w) 50 Mechanical Specifications Antenna Length (mm) 108 Copper Cuprum SMA-J

-40~60

-20~40 Black TPEE 8 Radiator Connect Type Working Temp() Storage Temperature() Radome Color Radome Material Weight (g) Shenzhen YXS Electronic Co., Ltd www.yxs-rf.com 521K, 5F, Xusheng R&D Building, Xifa B Industrial Area, Gonghe Industrial Rd., xixiang St., Bao 'an District,Shenzhen, sale@yxs-rf.com 1 2 Product Introduction This antenna is widely used in devices such as walkie talkies and wireless meter readers. The antenna has the advantages of beautiful appearance, compact structure, and easy installation 3 PRODUCT SPECIFICATION CHART 4 TEST DATA Shenzhen YXS Electronic Co., Ltd www.yxs-rf.com 521K, 5F, Xusheng R&D Building, Xifa B Industrial Area, Gonghe Industrial Rd., xixiang St., Bao 'an District,Shenzhen, sale@yxs-rf.com 2 Shenzhen YXS Electronic Co., Ltd www.yxs-rf.com 521K, 5F, Xusheng R&D Building, Xifa B Industrial Area, Gonghe Industrial Rd., xixiang St., Bao 'an District,Shenzhen, sale@yxs-rf.com 3

CM GLOBAL 1201 N. 4TH STREET, WATERTOWN, WI 53098, USA Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-03-27 FCC ID: 2AOW4-KTX433-USB Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing CM GLOBAL certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing CM GLOBAL certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Applicant: CM GLOBAL Address: 1201 N. 4TH STREET, WATERTOWN, WI 53098, USA Contact Person: LISA M SMALL Tel.: +920 567 0327 Email: lsmall@cmglo.com Sincerely, Signature:

CM GLOBAL 1201 N. 4TH STREET, WATERTOWN, WI 53098, USA Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2AOW4-KTX433-USB To Whom It May Concern, Date: March 27, 2024 Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: LISA M SMALL Title: Manager