2BH8N-UHF888Microphone

PMN:Microphone Models No./HVIN：UHF888 a. Power switch b. echo attenuation c.Echo enhancement d. The microphone volume drops e. Music volume increases f. The microphone volume increases g. power display h. Microphone frequency i Mute Adjustment "Frequency fine-tuning (Long press) j Music volume reduced Microphone Operation a. Power Button: Press and hold for 2 seconds to turn on/off. i. Vocal Reduction: Double-press to reduce vocals by 70%. Press again to return to normal. f. Increase Microphone Volume: Press the volume increase button (⑥). d. Decrease Microphone Volume: Press the volume decrease button (⑥). j. Decrease Music Volume: Press the music volume decrease button. e. Increase Music Volume: Press the music volume increase button. c. Enhance Echo Effect: Press the echo enhance button. b. Reduce Echo Effect: Press the echo reduce button. Adjusting Microphone Frequency If both microphones are on the same channel (CHA or CHB), they will interfere with each other. Ensure one microphone is set to CHA and the other to CHB: 1.Turn on the microphone power, then press and hold the two channel buttons(J+D) simultaneously to switch between CHA/CHB. Fine-tuning the frequency: 1.Turn on the microphone power, then press and hold the frequency adjustment button (i). 2.CHA frequency range:566MHz ~ 585MHz cycle. 3.CHB frequency range: 566MHz ~ 585MHz cycle. Channel Frequency (MHz) 01 566 02 567 03 568 04 569 05 570 06 571 07 572 08 573 09 574 10 575 11 576 12 577 13 578 14 579 15 580 16 581 17 582 18 583 19 584 20 585 FCCStatement 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. To assure continued compliance, any changes or modifications not expressly approved by the party. Responsible for compliance could void the user’s authority to operate this equipment. (Example- use only shielded interface cables when connecting to computer or peripheral devices). This equipment 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. RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. ISED Statement ‐English: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. ‐French:Cet appareil contient des émetteurs/récepteurs exempts de licence qui sont conformes aux CNR exempts de licence d’Innovation, Sciences et Développement économique Canada. Le fonctionnement est soumis aux deux conditions suivantes : (1) Cet appareil ne doit pas causer d’interférences. (2) Cet appareil doit accepter toute interférence, y compris les interférences susceptibles de provoquer un fonctionnement indésirable de l’appareil. This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance. cet appareil est conforme à l'exemption des limites d'évaluation courante dans la section 2.5 du cnr - 102 et conformité avec rss 102 de l'exposition aux rf, les utilisateurs peuvent obtenir des données canadiennes sur l'exposition aux champs rf et la conformité. This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator & your body. Cet équipement est conforme Canada limites d'exposition aux radiations dans un environnement non contrôlé. Cet équipement doit être installé et utilisé avecune distance minimale de 0 cm entre le radiateur et votre corps.

Dongguan Jieqiang Computer Co., Ltd Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-5 To whom it may concern: We, Dongguan Jieqiang Computer Co., Ltd , hereby certify that the equipment for which authorization is sought (FCC ID: 2BH8N-UHF888) 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). 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. Sincerely, Signature Hong Zhi manager Dongguan Jieqiang Computer Co., Ltd 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

Dongguan Jieqiang Computer Co., Ltd Add: Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Date: 2024-9-5 FCC ID: 2BH8N-UHF888 Dear Sir/Madam, We, Dongguan Jieqiang Computer Co., Ltd Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, only difference is different names for different customers: Product name: Microphone Model no.: UHF888, UHF888-A, UHF888-B, UHF888-C, UHF888-D, UHF888-E, UHF888-F, UHF888-G Sincerely, Name/Title： Hong Zhi/manager Company: Dongguan Jieqiang Computer Co., Ltd Address: Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Phone: 18924249629 Fax: N/A E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-9-5> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2BH8N-UHF888 UHF888 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Hong Zhi/manager Company: Dongguan Jieqiang Computer Co., Ltd Address: Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Phone: 18924249629 Fax: N/A E-Mail: [email protected]

Dongguan Jieqiang Computer Co., Ltd Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-5 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2BH8N-UHF888 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, Name/Title： Hong Zhi/manager Company: Dongguan Jieqiang Computer Co., Ltd Address: Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province, China Phone: 18924249629 Fax: N/A E-Mail: [email protected]

FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 7 Appearance of EUT

FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Appendix IID Label Appendix II ID Label Location Microphone FCC ID: 2BH8N-UHF888 Model: UHF888

FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 8 Internal of EUT Photo 9 Internal of EUT FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 10 Internal of Battery Photo 11 Internal of EUT FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 12 Internal of EUT Photo 13 Appearance of PCB Antenna FCC ID: 2BH8N-UHF888 TB-RF-074-1.0 Photo 14 Appearance of PCB Photo 15 Appearance of PCB

1 ShenZhen City FeiMin Technology CO.,LTD. SPECIFICATION FOR APPROVED CUSTOMER: Dongguan Jieqiang Computer Co., Ltd. PRODUCTS:FPC antenna PART NO: Spec.:FM-S2581-JQ01-RX Data: 2024.5.27 REMARK:Please send us one(or copy)of this approval with stamp after accepting,other copies filed by the customer. ADD:Room 303,Building C,Hengnan one Road,Gushu community,Xixiang Street,Bao’an District,Shenzhen City Tel: 0755-23035723 Fax: 0755-23036702 E-mail: [email protected] HTTP:www.fmant.cn CUSTOMER ACCEPTED BY CHECKED BY APPROVED BY SUPPLIER PREPARED BY CHECKED BY APPROVED BY FanMa XingxiXia DongdongMa ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd2 catalog 1. Project Information................................................................................................................................................ 4 1.1. Appearance and Dimensions............................................................................4 2. Electrical Characteristics........................................................................................... 5 2.1. Test Environment Conditions.......................................................................... 5 2.2.Measurement method...........................................................................................5 2.2.1.Antenna VSWR ............................................................................................. 5 2.2.2.Antenna Return loss ............................................................................. 6 2.3. Antenna passive test data ...................................................................6 2.3.1.Test system ..................................................................................................6 2.3.2.Antenna efficiency and gain ...........................................................7 2.3.3.Antenna Radiation Pattern .....................................................................7 3.Notes..............................................................................................................................8 4. Product packaging specification..................................................................................8 ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd3 Revision history versiondatecondition A1 2024-5-27 First edition Changes: First change: Before the change: (If necessary, please add corresponding pictures, and the details of the change should be clearly described here) After the change: (If necessary, please add corresponding pictures, and the details of the change should be clearly described here) ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 4 1. Project Information 1.1. Appearance and Dimensions ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 5 2. Electrical Characteristics 2.1. Test Environment Conditions TemperatureOrdinary Temperature (5 to 35°C) HumidityOrdinary Humidity (25 to 85% RH) 2.2.Measurement method 2.2.1.Antenna VSWR ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 6 2.2.2.Antenna Return loss 2.3. Antenna passive test data 2.3.1.Test system Shenzhen Feimin Technology Co., Ltd.(24-probe OTA microwave darkroom) ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 7 2.3.2.Antenna efficiency and gain Frequency (MHz)Gain(dB)Efficiency(%) 566-1.6320.78 568-1.7921.50 570-2.3622.58 572-1.4024.61 574-1.3322.41 576-2.3622.30 578-0.5323.86 580-0.4827.08 582-0.4524.74 584-0.8228.47 585026.92 2.3.3.Antenna Radiation Pattern ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 8 3.Notes 1. When installing, be careful not to be too close to the metal part to avoid affecting the antenna performance. 2. This antenna is only suitable for this model, and the position of the antenna cannot be changed at will. If it is used on other machines, the effect will become worse, which has nothing to do with our company. 3. The data (such as antenna efficiency, gain, etc.) used in this acknowledgement are all obtained from the laboratory test of this recognition project/antenna in Shenzhen Feimin Technology Co., Ltd . 4. Product packaging specification Product name: FPC antenna 1、Labeling requirements The inner label is 7CM long and 4CM wide Theouterlabelis7CMlong,about5CM 2、Packing process Job description： 1.Theproduct__PCSispackedinPEopenpockets, and the inner label is affixed to each pouch; Put the __ small bag into the big PE sealing tape bag, except the tail number and spare parts. 2. Each box contains __ large bags of products, and the boxes are sealed withadhesive tape in the shape of "I"。 3. Paste the outer label on the upper right corner of the box, and there must be no missing or wrong filling. 3、Precautions When packing the box, please pay attention to lay the antenna flat and avoidserious shaking after sealing. If the whole box is not filled, it needs to be filled with foam to avoid transportation Circumstances that caused product defects in the process。 client's name supplier Shenzhen Feimin Technology Co., Ltd. Order number ************* Material coding ************* Specification model ****** product name ******* quantity *****PCS QC: spare parts ***PCS Notes supplier Shenzhen Feimin Technology Co., Ltd. product name ************* Material coding ************* Specifications ********** quantity ***PCS product

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202403-0335-10 Page: 1 of 45 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Test Report FCC ID: 2BH8N-UHF888 Report No. : TBR-C-202403-0335-10 Applicant : Dongguan Jieqiang Computer Co., Ltd Equipment Under Test (EUT) EUT Name : Microphone Model No. : UHF888 Series Model No. : UHF888-A, UHF888-B, UHF888-C, UHF888-D, UHF888-E, UHF888-F, UHF888-G Brand Name : JUDIO Sample ID : HC-C-202403-0335-01-01-1#&HC-C-202403-0335-01-01-2# Receipt Date : 2024-08-09 Test Date : 2024-08-09 to 2024-08-27 Issue Date : 2024-08-27 Standards : FCC Part 15, Subpart C (15.236) Test Method : ANSI C63.10:2013 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Tested By : ZKN ZHOU Reviewed By : Wade. Lv Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202403-0335-10 Page: 2 of 45 TB-RF-074-1.1 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 8 1.4 Description of Support Units .............................................................................................. 8 1.5 Description of Test Mode .................................................................................................... 9 1.6 Description of Test Software Setting ................................................................................ 9 1.7 Measurement Uncertainty ................................................................................................ 10 1.8 Test Facility ......................................................................................................................... 10 2. TEST SUMMARY ..................................................................................................................... 11 3. TEST SOFTWARE ................................................................................................................... 11 4. TEST EQUIPMENT AND TEST SITE ................................................................................... 12 5. CONDUCTED EMISSION TEST ........................................................................................... 14 5.1 Test Standard and Limit .................................................................................................... 14 5.2 Test Setup ........................................................................................................................... 14 5.3 Test Procedure ................................................................................................................... 15 5.4 Deviation From Test Standard ......................................................................................... 15 5.5 EUT Operating Mode ........................................................................................................ 15 5.6 Test Data ............................................................................................................................. 15 6. RF OUTPUT POWER TEST .................................................................................................. 16 6.1 Test Standard and Limit .................................................................................................... 16 6.2 Test Setup ........................................................................................................................... 16 6.3 Test Procedure ................................................................................................................... 16 6.4 Deviation From Test Standard ......................................................................................... 17 6.5 EUT Operating Condition ................................................................................................. 17 6.6 Test Data ............................................................................................................................. 17 7. BANDWIDTH TEST ................................................................................................................. 18 7.1 Test Standard and Requirement ..................................................................................... 18 7.2 Test Setup ........................................................................................................................... 18 7.2 Test Procedure ................................................................................................................... 18 7.4 Deviation From Test Standard ......................................................................................... 18 7.5 EUT Operating Condition ................................................................................................. 18 7.6 Test Data ............................................................................................................................. 18 8. EMISSION MASK TEST ......................................................................................................... 19 8.1 Test Standard ..........................................................................…

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