2BKX3-MAG555STREAMING MEDIA PLAYER

123456789101112 123456789101112 A B C D E F G H A B C D E F G H 历史修订版本记录 DESCRIPTION 备注说明DATE 日期 2024-07-16孙景 2024-07-26内容更新 物料编号： 设计: SizeScaleRev A01:1 单位:mm 资料名称：DV9187-Manual 460900525 校对: 审核: 会签: 批准: 华曦达科技股份有限公司 工艺描述汇总： 折页方式 技术要求： 1）尺寸公差±2mm 2）颜色△E<2 3）环保要求RoHS、Reach 4）印刷后封面机器图勿出现白点 说明书,100x140mm,80g书写纸,彩色印刷、折页 QUICK REFERENCE GUIDE Please read the user manual before operating the TV box Saf et y Instructions • Presence of live parts inside the device! Do not open. Risk of electr ic shock! No parts should be repaired by users. • • Place the device in a well-ventilated location to prevent the accumulation of inter nal heat. • Protect the device from high temperatures, humidity, water and dust. • objects or candles). • Do not mix old and new batt er ies and do not mix alkaline, standard (carbon-zinc) or rechargeable (ni-cd, ni-mh, etc.) batt er ies. • Risks of explosion if the batt ery is replaced by an incorrect type: - replacement of a batt ery with an incorrect type that can defeat a safeguard (for example, in the case of some lithium batt ery types) - batt ery, that can result in an explosion - leaving a batt ery in an extr emely high temperature surrounding environment that - a batt ery subjected to extr emely low air pressure that may result in an explosion or - Dispose of Used Batt er ies According to the Instructions. • Operating Temperature: 0°C~40°C • For AC/DC Adapter , the socket outlet must be near the equipment and shall be easily accessible. WARNING! 2 Regulatory information UK This equipment has been tested and found to comply with the essential requirements of the following Regulations: The Radio Equipment Regulations 2017, The Electr ical Equipment (Saf et y) Regulations 2016, Electr omagnetic Compatibility Regulations 2016. This product is in accordance with The Waste Electr ical and Electr onic Equipment Regulations 2013. Hereby, Telecommunication Technologies LLC declares that MAG555 with the radio equipment type 802.11 b/g/n/ac is in compliance with the Radio Equipment Regulations 2017. The full text of the declaration of conformity is available at the following inter net address: www.infomir.eu/eng/support/declarations -5350 MHz band. Do not install or use this device outdoors in that frequency in the UK. EU This equipment has been tested and found to comply with the essential requirements of the following Directives: 2014/30/EU, 2014/35/EU, 2014/53/EU, 2009/125/EC, 2011/65/EU and Annex II amendment (EU)2015/863. This product is in accordance with Directive WEEE 2012/19/EU. Hereby, Telecommunication Technologies LLC declares that MAG555 with the radio equipment type 802.11 b/g/n/ac is in compliance with the 2014/53/EU Directive. The full text of the EU declaration of conformity is available at the following inter net address: www.infomir.eu/eng/support/declarations -5350 MHz band. Do not install or use this device outdoors in that frequency in the European Union. FCC This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Par t 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interfer ence when the equipment is operated in a residential installation. This equipment generates, uses and can radiate radio fr equency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interfer ence to radio communications. However , there is no guarantee that interfer ence will not occur in a particular installation. If this equipment does cause harmful interfer ence to radio or television reception, which can correct the interfer ence by one or more of the following measures: • Reorient or relocate the receiving antenna. • I ncrease the separation between the equipment and receiver . receiver is connected. 3 • Consult the dealer or an experienced radio/TV technician for help. FCC Caution: This device complies with Par t 15 of the FCC Rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interfer ence, and 2) this device must accept any in terfer ence received, including interfer ence that may cause undesired operation. CAUTION: responsible party could void the user’s authorit y to operate the equipment. FCC Radiation Exposure Compliance (only for MAG555): This equipment complies with radio frequency (RF) exposure limits set forth by the Federal Communications Commission for an uncontr olled environment. This tr ansmitter must not be co-located or operating in conjunction with any other antenna or transmitter . This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. CAUTION! responsible for compliance could void the user’s authorit y to operate the equipment. install or use this device outdoors in that frequency in the United Sta tes. IC Statement: 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 interfer ence. (2)This device must accept any interfer ence, including interfer ence that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’I nnovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L ’exploitation est autorisée aux deux conditions suivantes : Regulatory information 4 1)L’appareil ne doit pas produire de brouillage; 2)L’appareil doit accepter tout brouillage radioélectr ique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. Radiation Exposure Statement: The device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS-102 …

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DEVPRO OU Roobu 9, 74114 Maardu, Estonia Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-18 To whom it may concern: We, DEVP RO OU, hereby certify that the equipment for which authorization is sought (FCC ID: 2BK X3-MAG555) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the F CC 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” equi pment. By signing this form, we con firm the ab o ve an d that we are a ware o f the a pplication re quireme nts 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 98 64 46 D01. Sincerely, {新申请人签名} Signature Nata Iurii Board member DEVPRO O U 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

DEVPRO OU Roobu 9, 74114 Maardu, Estonia Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-18 U.S. Agent Desig natio n DEVPRO OU 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: 2BKX3-MAG555): Name and company of U.S. agent: AC T L a b L L C Physical U.S. address of agent: 3280 East 59th Street Long Beach, CA 90805 United States FRN of U.S. agent: 0033465568 Email address of U.S. agent: [email protected] ACT Lab LL C acknowledges their obligation to accept service of process on behalf of DEVPRO OU. DEVPRO OU with the FRN [0035930015] 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). 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 within 30 days via the granting TCB. Sincerely, {新申请人签名} Signature Nata Iurii Board member DEVPRO OU {代理商签名} Signature Scott Huber Senior Technical Director AC T L a b L L C 48_[mo del] US_ Ag en t_2 .9 11( d) (7 ) -U, V0 5

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21 046 Date:<2024-9-18> 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 Mo del nam e 2BKX3-MAG555 MAG555 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, {新申请人签名} Name/Title： Nata Iurii/Board member Company: DEVPRO OU Address: Roobu 9, 74114 Maardu, Estonia Phone: +41 76 815 50 52 Fax: +41 76 815 50 52 E-Mail: [email protected]

DEVPRO O U Roobu 9, 74114 Maardu, Estonia Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-18 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 aut horiz ation FCC ID: 2BKX3-MAG555 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behal f 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.eu ro fins.d e/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, purs uant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, {新申请人签名} Name/Title： Nata Iurii/Board member Company: DEVPRO OU Address: Roobu 9, 74114 Maardu, Estonia Phone: +41 76 815 50 52 Fax: +41 76 815 50 52 E-Mail: [email protected]

FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of Adapter

FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Appendix I Label Appendix II Label Location

FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 9 Appearance of PCB Photo 10 Appearance of PCB FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Photo 11 Appearance of PCB Photo 12 Appearance of PCB 2.4G Ant. 1 5G Ant. 1 B T A n t . 2.4G Ant. 2 5G Ant.2 BT Ant. FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Photo 13 Appearance of PCB Photo 13 Appearance of HDMI HDMI-2# HDMI-1#

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202406-0129-2 Page: 1 of 6 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 Maximum Permissible Exposure Evaluation FCC ID: 2BKX3-MAG555 1. General Information about EUT 1.1 Client Information Applicant : DEVPRO OU Address : Roobu 9, 74114 Maardu, Estonia Manufacturer : DEVPRO OU Address : Roobu 9, 74114 Maardu, Estonia 1.2 General Description of EUT (Equipment Under Test) EUT Name : STREAMING MEDIA PLAYER Models No. : MAG555 Model Different : N/A Brand Name : N/A Sample ID : HC-C-202406-0129-01-01 Product Description : Operation Frequency: Bluetooth&BLE: 2402MHz~2480MHz U-NII-1: 5180MHz~5240MHz U-NII-2A: 5260MHz~5320MHz U-NII-2C: 5500MHz~5720MHz U-NII-3: 5745MHz~5825MHz 802.11b/g/n(HT20)/n(HT40): 2412MHz~2462MHz Power Rating : AC Adapter:(SA12BV-120100U)(Manufacturer: SUNUN) Input: 100-240V~, 50/60Hz 0.4A Output: 12.0V⎓1.0A Software Version : N/A Hardware Version : MB.029.B2 Remark : N/A Report No.: TBR-C-202406-0129-2 Page: 2 of 6 TB-RF-074-1.0 1.3 Antenna Information Band Antenna Type Antenna Gain(dBi) Antenna 1 Antenna 2 Bluetooth PCB -0.03 / 2.4G Wi-Fi Metal 3.64 3.64 U-NII-1 4.11 4.11 U-NII-2A 4.36 4.36 U-NII-2C 4.66 4.66 U-NII-3 4.37 4.37 Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202406-0129-2 Page: 3 of 6 TB-RF-074-1.0 2. Method of Measurement for FCC 1. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 2. Exposure Evaluation: Equation from page 18 of OET Bulletin 65, Edition 97-01 S=(PG)/4πR 2 Where S: power density P: power input to the antenna G: power gain of the antenna in the direction of interest relative to an isotropic radiator. R: distance to the center of radiation of the antenna Simultaneous transmission MPE Considerations According to KDB447498: All transmitters and antennas in the host must be either evaluated for MPE compliance, by measurement or computational modeling, or qualify for the standalone MPE test exclusion in section 7.1. Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modeled or measured field strengths or power density, is ≤ 1.0. This means that: ∑ of MPE ratios ≤ 1.0 Report No.: TBR-C-202406-0129-2 Page: 4 of 6 TB-RF-074-1.0 3. Test Result: Worst MPE Result Test Mode Antenna Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] Max. ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/ cm 2 ) [S] Bluetooth / 9.24 9±1 10 -0.03 20 0.0020 2.4G b Ant1 16.73 16±1 27 3.64 20 0.2305 Ant2 16.16 16±1 27 3.64 20 0.2305 2.4G g Ant1 17.16 16±1 17 3.64 20 0.0231 Ant2 16.59 16±1 17 3.64 20 0.0231 2.4G n20 Ant1 14.87 15±1 16 3.64 20 0.0183 Ant2 14.98 15±1 16 3.64 20 0.0183 2.4G n40 Ant1 13.80 14±1 15 3.64 20 0.0145 Ant2 13.98 14±1 15 3.64 20 0.0145 5G a Ant1 18.55 18±1 19 4.66 20 0.0462 Ant2 18.96 18±1 19 4.66 20 0.0462 5G n20 Ant1 18.92 18±1 19 4.66 20 0.0462 Ant2 18.38 18±1 19 4.66 20 0.0462 5G n40 Ant1 18.18 18±1 19 4.66 20 0.0462 Ant2 18.89 18±1 19 4.66 20 0.0462 5G ac20 Ant1 18.34 18±1 19 4.66 20 0.0462 Ant2 17.44 18±1 19 4.66 20 0.0462 5G ac40 Ant1 17.77 18±1 19 4.66 20 0.0462 Ant2 18.16 18±1 19 4.66 20 0.0462 5G ac80 Ant1 14.80 14±1 15 4.66 20 0.0184 Ant2 14.90 14±1 15 4.66 20 0.0184 Note: The antenna gain used max. antenna gain Report No.: TBR-C-202406-0129-2 Page: 5 of 6 TB-RF-074-1.0 4. Conclusion: As specified in Table 1B of 47 CFR 1.1310- Limits for Maximum Permissible Exposure (MPE), Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Power density (mW/ cm 2 ) 300-1,500 F/1500 1,500-100,000 1.0 For: 2402~2480MHz&2412~2462MHz&5180~5825MHz MPE limit S: 1mW/ cm 2 The MPE is calculated as 0.2305mW / cm 2 < limit 1mW / cm 2 . 5. Summary simultaneous transmission information Modulation Type Work Frequency Band Transmit Antenna MIMO Antenna 1 Antenna 2 Bluetooth 2.4GHz Yes / / Bluetooth LE 2.4GHz Yes / / IEEE 802.11a U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes No IEEE 802.11b 2.4GHz Yes Yes No IEEE 802.11g 2.4GHz Yes Yes No IEEE 802.11n HT20 2.4GHz Yes Yes Yes IEEE 802.11n HT40 2.4GHz Yes Yes Yes IEEE 802.11n HT20 U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes Yes IEEE 802.11n HT40 U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes Yes IEEE 802.11ac VHT20 U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes Yes IEEE 802.11ac VHT40 U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes Yes IEEE 802.11ac VHT80 U-NII-1/ U-NII-2A U-NII-2C/ U-NII-3 Yes Yes Yes Report No.: TBR-C-202406-0129-2 Page: 6 of 6 TB-RF-074-1.0 6. Summary simultaneous transmission results Antenna 1 and Antenna 2 for 2.4GWLAN& 5GWLAN Worst Modulation Type MPE Antenna 1 (mW/cm 2 ) MPE Antenna 2 (mW/cm 2 ) ∑MPE ratios Limit Results IEEE 802.11n HT20 0.0183 0.0183 0.0366 1.0 PASS IEEE 802.11ac VHT80 0.0462 0.0462 0.0924 1.0 PASS Bluetooth and WiFi support Synchronization transmitther Maximum MPE ratio Bluetooth Maximum MPE ratio WiFi ∑MPE ratios Limit Results 0.0020 0.2305 0.2325 1 PASS So, RF exposure limit warning or SAR test are not required. The EUT will only be used with a separation of 20cm or greater between the antenna and nearby persons and can therefore be considered a mobile transmitter per 47 CFR2.1091 (b). The RF Exposure Information page from the manual is included here for reference. Note: For a more detailed features description, please refer to the RF Test Report. -----END OF THE REPORT------

（C)SDMC Technology, All Rights Reserved Page 1 of 13 BT Ant Passive Test Report Record for version modification Date Revision Modify Content Author 2023-3-21 V1.0 1 st Version （C)SDMC Technology, All Rights Reserved Page 2 of 13 Table of Contents 1 Test Summary ............................................................................................... 3 2 Test Information ............................................................................................ 3 3 Testing Environment ..................................................................................... 4 4 Matching Circuit Description ......................................................................... 6 5 Antenna Technical Parameter ....................................................................... 7 6 Assembly Description .................................................................................... 8 7 Passive Parameter Test ................................................................................ 9 8 BT TRP & TIS Test Result ........................................................................... 14 （C)SDMC Technology, All Rights Reserved Page 3 of 13 1 Test Summary 2 Test Information Model No. DVXXXX HW Version MB.XXX.X SW Version BaseLine-v11.1.1.1 CPU Amlogic XXXX DDR XXXXXXXXX Wi-Fi Module XXXX/Manufacturer Tester XXX Reviewer XXX Approver XXX Date 2023.XX.XX No. Sample Name Test item Conclusion 1 DVXXXX VSWR Pass 2 Isolation Pass 3 Efficiency & Gain Pass 4 2D & 3D Radiation Pattern Pass （C)SDMC Technology, All Rights Reserved Page 4 of 13 3 Testing Environment Chamber XH Chamber Wireless Communication Tester R&S CMW500 Vector Network Analyzer KEYSIGHT E5071C Temperature 25±2°C Humidity 50±20%Rh （C)SDMC Technology, All Rights Reserved Page 5 of 13 R&S CMW500 Wireless Communication Tester ●GSM/3G/4G ●Wi-Fi/ BT ●NB-IoT KEYSIGHT E5071C Vector Network Analyzer ●Frequency:100 kHz~8.5GHz （C)SDMC Technology, All Rights Reserved Page 6 of 13 4 Matching Circuit Description Element Value E1 N/A E2 N/A E3 N/A E4 N/A （C)SDMC Technology, All Rights Reserved Page 7 of 13 5 Antenna Technical Parameter Electrical Technical Parameter Electrical Spec Frequency Range 2400 ~2500/5150~5850MHz VSWR ≤2.0 Remark: VSWR of ceramic & on-board layout Antenna≤3.0 Input Impedance 50 Ω Direction Omnidirectional Efficiency ≥50% Remark: Efficiency of ceramic & on-board layout Antenna≥30% Gain Wi-Fi≥0dBi BT≥-1dBi Isolation ≤-15 Remark: Isolation of Dongle & Sticker similar products≤-10 Mechanical Specifications Material Type Metal □ FPC  PCB  Layout  Working Temperature -20°C~+70°C Working Humidity 20%~80% （C)SDMC Technology, All Rights Reserved Page 8 of 13 6 Assembly Description Antenna Attachment Position （C)SDMC Technology, All Rights Reserved Page 9 of 13 7 Passive Parameter Test 7.1 BT Ant Freq/GHz 2.4 2.45 2.5 VSWR 1.5 1.6 1.8 （C)SDMC Technology, All Rights Reserved Page 10 of 13 7.2 Efficiency & Gain Efficiency & Gain of BT Ant Frequency (MHz) Gain (dBi) Efficiency (%) 2400 -0.16 36.64 2410 -0.07 36.22 2420 -0.09 35.65 2430 -0.6 34.43 2440 -0.03 34.51 2450 -0.51 33.88 2460 -0.41 33.04 2470 -0.75 31.92 2480 -0.21 31.41 2490 -0.64 30.2 2500 -1.24 30.11 （C)SDMC Technology, All Rights Reserved Page 11 of 13 7.3 Reference Coordinate System XY XZ YZ 0° Right Up Up 90° Front Right Front 180° Left Down Down 270° Back Left Back Z (Up) Y(Front) X (Right) （C)SDMC Technology, All Rights Reserved Page 12 of 13 7.4 2D & 3D Radiation Pattern 7.4.1 BT Ant Phi =0 freq=2400MHz Phi =90 freq=2400MHz Theta =90 freq=2400MHz ZXY face @2400MHz XYZ face @2400MHz YZX face @2400MHz Phi =0 freq=2450MHz Phi =90 freq=2450MHz Theta =90 freq=2450MHz ZXY face @2450MHz XYZ face @2450MHz YZX face @2450MHz （C)SDMC Technology, All Rights Reserved Page 13 of 13 Phi =0 freq=2500MHz Phi =90 freq=2500MHz Theta =90 freq=2500MHz ZXY face @2500MHz XYZ face @2500MHz YZX face @2500MHz 8 Wi-Fi TRP & TIS Test Result Test mode：DH1 Standard TRP≥-0.5dbm TIS≤-70dbm Test Item BT TRP&TIS Channel 0 19 39 59 78 Frequency (MHz) 2402 2421 2441 2461 2480 TRP(dBm) -0.43 -0.46 -0.46 -0.35 0.53 TIS(dBm) -85.74 -85.36 -83 -84.27 -83.2 Remark （C)SDMC Technology, All Rights Reserved Page 14 of 13 Test mode：DH3 Standard TRP≥-0.5dbm TIS≤-70dbm Test Item BT TRP&TIS Channel 0 19 39 59 78 Frequency (MHz) 2402 2421 2441 2461 2480 TRP(dBm) -0.44 -0.34 -0.13 0.2 0.63 TIS(dBm) -86.47 -84.91 -83.56 -84.68 -84.47 Remark Test mode：DH5 Standard TRP≥-0.5dbm TIS≤-70dbm Test Item BT TRP&TIS Channel 0 19 39 59 78 Frequency (MHz) 2402 2421 2441 2461 2480 TRP(dBm) -0.46 -0.41 -0.19 0.15 0.59 TIS(dBm) -85.78 -85.9 -83.48 -83.46 -84.21 Remark

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202406-0129-121 Page: 1 of 31 FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 RF Test Data for Bluetooth (BR+EDR) (Conducted Measurements) General Description of EUT EUT Name: STREAMING MEDIA PLAYER Model: MAG555 Sample ID: HC-C-202406-0129-01-01 Test Standard: FCC Part 15.247 Environmental Conditions Ambient Temperature: 23.9°C Ambient Humidity: 47%RH Test Power Supply: DC 12V Test Engineer: Jolin Lee Note: For a more detailed features description, please refer to the report TBR-C-202406-0129-121 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202406-0129-121 Page: 2 of 31 FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Contents Appendix 1: 20dB Emission Bandwidth ............................................................................................................. 3 1.1 Test Result ......................................................................................................................................... 3 1.2 Test Graphs ....................................................................................................................................... 4 Appendix 2: Occupied Channel Bandwidth ....................................................................................................... 6 2.1 Test Result ......................................................................................................................................... 6 2.2 Test Graphs ....................................................................................................................................... 7 Appendix 3: Maximum conducted output power ............................................................................................. 9 3.1 Test Result Peak ............................................................................................................................... 9 3.2 Test Graphs ..................................................................................................................................... 10 Appendix 4: Carrier frequency separation ....................................................................................................... 12 4.1 Test Result ....................................................................................................................................... 12 4.2 Test Graphs ..................................................................................................................................... 13 Appendix 5: Time of occupancy ....................................................................................................................... 14 5.1 Test Result ....................................................................................................................................... 14 5.2 Test Graphs ..................................................................................................................................... 15 Appendix 6: Number of hopping channels ...................................................................................................... 18 6.1 Test Result ....................................................................................................................................... 18 6.2 Test Graphs ..................................................................................................................................... 19 Appendix 7: Band edge measurements ........................................................................................................... 20 7.1 Test Result ....................................................................................................................................... 20 7.2 Test Graphs ..................................................................................................................................... 21 Appendix 8: Conducted Spurious Emission ..................................................................................................... 23 8.1 Test Result ....................................................................................................................................... 23 8.2 Test Graphs ..................................................................................................................................... 24 Appendix 9: Duty Cycle .................................................................................................................................... 29 9.1 Test Result ....................................................................................................................................... 29 9.2 Test Graphs ..................................................................................................................................... 30 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202406-0129-121 Page: 3 of 31 FCC ID: 2BKX3-MAG555 TB-RF-074-1.0 Appendix 1: 20dB Emission Bandwidth 1.1 Test Result Test Mode Antenna Frequency[MHz] 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.94 2401.54 2402.49 --- --- DH5 Ant1 2441 0.95 2440.54 2441.49 --- --- DH5 Ant1 2480 0.95 2479.54 2480.49 --- --- 2DH5 Ant1 2402 1.28 2401.37 2402.65 --- --- 2DH5 Ant1 2441 1.28 2440.37 2441.65 --- --- 2DH5 Ant1 2480 1.28 2479.37 2480.65 --- --- 3DH5 Ant1 2402 1.29 2401.36 2402.65 --- --- 3DH5 Ant1 2441 1.29 2440.36 2441.65 --- --- 3DH5 Ant1 2480 1.29 2479.36 2480.65 --- --- Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202406-0129-121 Page: 1 of 64 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: 2BKX3-MAG555 Report No. : TBR-C-202406-0129-121 Applicant : DEVPRO OU Equipment Under Test (EUT) EUT Name : STREAMING MEDIA PLAYER Model No. : MAG555 Series Model No. : N/A Brand Name : N/A Sample ID : HC-C-202406-0129-01-01&HC-C-202406-0129-01-02 Receipt Date : 2024-07-15 Test Date : 2024-07-16 to 2024-08-03 Issue Date : 2024-08-03 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Jolin Lee 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-202406-0129-121 Page: 2 of 64 TB-RF-074-1.0 Contents CONTENTS ..........................................................................…

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