Y23DM-UV4RDigital Mobile Radio

2024-04-25 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We declare that, this scanning receiver is incapable of operating (tuning), or readily being altered by the users to operate, within the frequency bands allocated to the Cellular Radiotelephone Service in part 22 of this chapter (cellular telephone bands). This device will not be able to receive transmissions in the cellular telephone bands by means of clipping the leads of, or installing, a simple component such as a diode, resistor or jumper wire; replacing a plug-in semiconductor chip; or programming a semiconductor chip using special access codes or an external device, such as a personal computer. This device is also incapable of converting digital cellular communication transmissions to analog voice audio. This device is designed so that the tuning, control and filtering circuitry is inaccessible. Any attempts to modify the equipment to receive transmissions from the Cellular Radiotelephone Service will render the receiver inoperable. This scanning receiver rejects any signals from the Cellular Radiotelephone Service frequency bands that are 38 dB or lower based upon a 12 dB SINAD measurement. Iradio Electronics Co., Ltd. Add: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China Tel: 86-595-86759888 Fax: 86-595-86758999 Email: [email protected] Subject: Declaration of compliance to the requirements of §15.121 FCC ID: 2024-09-18 Y23DM-UV4R We are aware that the modification of this device to receive transmissions from Cellular Radiotelephone Service frequency bands will be considered to constitute manufacture of such equipment. This includes any individual, individuals, entity or organization that modifies one or more scanners. Any modification to receive transmissions from the Cellular Radiotelephone Service frequency bands voids the certification of the scanning receiver, regardless of the date of manufacture of the original unit. Sincerely, Signature: Typed or Printed Name: Title: Chengji Chen General Manager

Iradio Electronics Co., Ltd. ADD: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China TEL: 86-595-86759888 FAX: 86-595-86758999 E-mail: [email protected] Attestation Letter Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements for Amateur TX Frequencies FCC ID: Y23DM-UV4R Iradio Electronics Co., Ltd. (“the applicant”) certifies that the equipment for transmitter frequencies can be programmed for only amateur frequencies (144-148MHz, 420-450MHz) Also, equipment programming is the responsibility of Authorized Service Personnel, in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Sincerely, Signature Contact Person: Chengji Chen Title: General Manager

Iradio Electronics Co., Ltd. Add: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China Tel: 86-595-86759888 Fax: 86-595-86758999 Email: [email protected] CFR 47 §2.911(d)(5)(i)(ii) Attestation Letter Attestation Letter Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID: Y23DM-UV4R Iradio Electronics Co., Ltd. (“the applicant”) 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. Iradio Electronics Co., Ltd. (“the applicant”) 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. Sincerely, Signature Contact Person: Chengji Chen Title: General Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: Y23DM-UV4R Iradio Electronics Co., Ltd. (“the Applicant”) certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Iradio Electronics Co., Ltd. (“the Applicant”) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: Iradio Electronics Co., Ltd. Address: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China FRN: 0020374252 Tel: 86-595-86759888 Email: [email protected] Signed by (printed name): Chengji Chen Signature:

QA-FR-170-B Iradio Electronics Co., Ltd. Add: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China Tel: 86-595-86759888 Fax: 86-595-86758999 Email: [email protected] FCC Authorization Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Iradio Electronics Co., Ltd., Hereby authorizes Bay Area Compliance Laboratories Corp. ( Xiamen) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. ( Xiamen) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Contact Person: Chengji Chen Title: General Manager

QA-FR-171-A Iradio Electronics Co., Ltd. Add: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China Tel: 86-595-86759888 Fax: 86-595-86758999 Email: [email protected] FCC Confidential Authorization Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: Y23DM-UV4R In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Iradio Electronics Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description • Internal Photos As well as short-term (secrecy cycle: 180 days) confidential treatment of information application as outlined below: • User’s Manual • External Photos • Test Set-up Photos Sincerely, Signature: Contact Person: Chengji Chen Title: General Manager

Iradio Electronics Co., Ltd. ADD: No.16 Daxiamei Industrial Area, Nan'an, Quanzhou City, China TEL: 86-595-86759888 FAX: 86-595-86758999 E-mail: [email protected] DECLARATION OF SIMILARITY Date: 2024-09-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Iradio Electronics Co., Ltd., hereby declare that the product: Digital Mobile Radio, FCC ID: Y23DM-UV4R. Model: DM-4R are electrically identical with the model: DM-UV4R which was tested by Bay Area Compliance Laboratories Corp. (Xiamen) with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows: They are the same product, just different model name because of different client, the rest are the same. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Printed Name: Chengji Chen Title: General Manager

FCC PART 15B TEST REPORT For Iradio Electronics Co., Ltd. No.16 Daxiamei Industrial Area, Nan’an, Quanzhou City, China FCC ID: Y23DM-UV4R Report Type: Original Report Product Name: Digital Mobile Radio Report Number: 2407W67930E-EM-01 Report Date: 2024-09-07 Reviewed By: Stein Peng Approved By: Miles Chen Prepared By: Bay Area Compliance Laboratories Corp. (Xiamen) Unit 102, No. 902 Meifeng South Road, Binhai West Avenue, Science and Technology Innovation Park, Torch High tech Zone XiaMen Tel: +86-592-3200111 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2407W67930E-EM-01 FCC Part 15B Page 2 of 57 TABLE OF CONTENTS REPORT REVISION HISTORY................................................................................................................................. 3 GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 TEST MODE AND VOLTAGE .......................................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE.................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................. 11 TEST EQUIPMENT LIST ......................................................................................................................................... 12 FCC §15.107 - CONDUCTED EMISSIONS ............................................................................................................. 13 APPLICABLE STANDARD ............................................................................................................................................ 13 TEST SYSTEM SETUP .................................................................................................................................................. 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 15 FCC §15.109 - RADIATED EMISSIONS IN FREQUENCY .................................................................................. 17 APPLICABLE STANDARD ............................................................................................................................................ 17 TEST SYSTEM SETUP .................................................................................................................................................. 17 EMI TEST RECEIVER SETUP ....................................................................................................................................... 18 TEST PROCEDURE ...................................................................................................................................................... 18 TEST DATA ................................................................................................................................................................ 19 FCC §15.121(B) – SCANNING RECEIVERS AND FREQUENCY CONVERTERS USED WITH SCANNING RECEIVERS ................................................................................................................................................................ 53 APPLICABLE STANDARD ............................................................................................................................................ 53 TEST PROCEDURE ...................................................................................................................................................... 53 TEST DATA ...........................................................................…

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