2BAL6-RCS-3901Android board

Android Network Digital Signage User Manual (11 version) 1. Product Features ◆ Platform and configuration: Hardware platform, ARM Dual-core Cortex-A72 up to 2.0GHz and Quad-core Cortex-A53 up to 1.5GH processor, use chip of Mali-T860 GPU; Software platform, based on Android 11 operating system, memory/DDR4 4GB, inter FLASH/32GB NAND; ◆ Support 4K Ultra Full HD videos and pictures; Built-in HDMI1.4, 1080p output and 3D output; ◆ Support Full HD video format: Video: RMVB, FLV, MPEG1/2/4, AVI, DIVX, XDIV, WMV9, H.264, VC-1, MOV, MKV, MP4, TS, M2T, VOB. Audio: MP3, WMA, WAV, EAAC+, MP2, dec, Vorbis (Ogg) , AC3, FLAC (Lossless audio), APE (Lossless audio), BSAC; Pictures: BMP/PNG/GIF/JPEG(4088*4088); ◆ Support webpage/Flash playback, can achieve strong touch interactive platform rely on the touch interactive of webpage/Flash; ◆ Strong input function: 1) Support multi touch, resistive touch, capacitive touch, IR touch, with touch screen calibration function; 2) Support remote control; 3) Support USB mouse/keyboard; ◆ Strong output function: Support landscape and portrait mode once power on; ◆ Multi storage media: Support U stick and SD card (can extend TF card); ◆ Multi languages: Chinese, English etc many countries’ languages, Support TTF vector font, distortionless display; ◆ Clock display: Built-in clock IC, it could update time information after networking, correct system time automatically. ◆ Support Strong network : Support LAN, WIFI and 3G (extend Bluetooth); ◆ Combined with CMS Software, it could make video, Television images, pictures, animation, text, documents, web pages, streaming media, database data into one wonderful section program, which also could be launched to terminals in different places through network, show the great graphics and real-time information to people at different appointed places. 2. Operating interface 2.1 Main interface After power on, the machine will enter into main interface, as shown below: Setting menu File manager Application management menu Browser Camera Play Store Vol- Vol+ Return to previous menu Return to the main menu Show the picture that has been opened Quick hide Screenshot 2.2 Application management interface Click the button in the main interface, enter into application management interface. 2.2.1 File Manager Click , then enter into file manager interface, there is local memory, TF card and U disk options, then enter into the corresponding storage to copy the file, multiple choice, editing a new folder etc. 2.2.2 Setting menu Click, then enter into setting menu 2.2.2.1 Built-in WIFI Click ,enter into WIFI setting to connect WIFI. 2.2.2.2 Other network setting Click ,enter into network setting menu, turn on/off WIFI hotspot, LAN, Mobile network settings 2.2.2.3 Display setting Click , and adjustable: brightness, Display rotation angle, hidden status bar, wallpaper, font size, screen fit, display output mode. 2.2.2.4 Voice setting Click to enter into, adjust the multimedia volume, ring tones and so on 2.2.2.5 Storage Click to enter into to check the memory and storage space. 2.2.2.6 Application Click to enter into to manage and uninstall installed APP applications. 2.2.2.7 Screen shot settings Click ,enter into screen shot setting menu, and turn on / off the screen shot function and set the image save location etc. 2.2.2.8 Language and input Click ,enter into Language setting menu。 2.2.2.9 Factory reset Click ,enter into Factory reset setting menu。 2.2.2.10 Time setting Click ,enter into Date&Time setting menu。 2.2.2.11 System Version Number Click ,enter into view details of the System。 2.2.2.12 Other Setting Click ,enter into Other Setting menu and adjustable: Camera mirror，Rotate the Camera ,Backlight invert and so on. 3. Remote control Power on/off button Mode swift Up navigation button Down navigation button Left navigation button Right navigation button Enter button Setup button Exit button Vol- Vol+ Mute 4. Troubleshooting common problems A. The screen is powered on, and the boot logo is always running, but cannot enter the system. Solution: Please contact us to re-provide the latest firmware burning. B. The screen is powered on, but there is no display on the screen, you can hear the boot sound, and the external HDMI monitor has a picture display. Solution: The hardware is damaged, please contact us to send new accessories for replacement. C. The installation software cannot be used, or the screen is stuck, and restarting has no effect. Solution: Need to provide software to us to detect the problem. 5. FCC 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.. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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…

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Rcstars Industrial (Shenzhen) Co., LTD. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-01-09 FCC ID: 2BAL6-RCS-3901 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Rcstars Industrial (Shenzhen) Co., LTD. 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 Rcstars Industrial (Shenzhen) Co., LTD. 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: Rcstars Industrial (Shenzhen) Co., LTD. Address: 7/F, 2ND Bldg, Senyang High-Tech Park, No.7 Road, Guangming High-Tech Park District, Shenzhen, China Contact Person: Fiona Xing Tel.: 0086-755-26607454 Email: [email protected] Sincerely, Signature:

SPECIFICATION FOR APPROVAL COMPANY NAME Shenzhe n Qisen T echnology Co., Ltd PRO DUCT P/N QS23101301 PRO DUCT NAME Built in SMA male pin 5DB dual band antenna Confirmed by The Company Address: 4th Floor, No. Anye Road, Henggang Street, Address: 4th Floor, No. 22 Anye Road, Henggang Street, Longgang District, Shenzhen Telephone：0755-84864089/15989305086 website：www.qskjgf.com Shenzhen Qisen Technology Co., Ltd Shenzhen Qisen Technology Co., Ltd.en Qisen Technology Co., Ltd. Shenzhen Qisen Technology Co., Ltd.en Qisen Technology Co., Ltd. 1.SSpecification Table:pecification Table: Main Specifications Main technical specifications Frequency Range （MHZ） 2400-2500MHz Frequency Range (MHZ) 5150-5850MHz Character istic impedance (Ω) 50±10Impedance(Ω)50±10 peak gain （dBi） 3.3.66 Peak Gain(dBi) 3.3.55 Output voltage stays 3oppy ≤1.92 VSWR ≤1.92 Ma[imum poZer 10WAdmitted Power10W 3olari]a tion mode vertical polarization PolarizationLinear,Vertical Connection method SMAConnector TypeSMA 3hysical properties Physical Properties $ntenna Eody material bare copper Antenna BaseNaked copper Operating temperature -20°C~+65°C Operating Temp -20°C~+65°C Save humidity -30°C~+75°CStorage Temp-30°C~+75°C $ntenna length 488MM Antenna length 488MM Address: 4th Floor, No. Anye Road, Henggang Street, Address: 4th Floor, No. 22 Anye Road, Henggang Street, Longgang District, Shenzhen Telephone：0755-84864089/15989305086 website：www.qskjgf.com Shenzhen Qisen Technology Co., Ltd.Qisen Technology Co., Ltd. 2.PProduct drawingsroduct drawings Address: 4th Floor, No. Anye Road, Henggang Street, Address: 4th Floor, No. 22 Anye Road, Henggang Street, Longgang District, Shenzhen Telephone：0755-84864089/15989305086 website：www.qskjgf.com Shenzhen Qisen Technology Co., Ltd.enzhen Qisen Technology Co., Ltd. 3.Testing reportTesting report 3.1. Principle diagram of microwave anechoic chamber test 4、Matching circuit No matching circuit added. Address: 4th Floor, No. Anye Road, Henggang Street, Address: 4th Floor, No. 22 Anye Road, Henggang Street, Longgang District, Shenzhen Telephone：0755-84864089/15989305086 website：www.qskjgf.com Frequency ID123456789101112131415161718192021222324252627282930313233343536 Frequency (MHz)240024052410241524202425243024352440244524502455246024652470247524802485249024952500515052005250530053505400545055005550560056505700575058005850 Efficiency (dBi)-3.33-3.30-3.24-3.13-3.02-2.94-2.84-2.75-2.72-2.71-2.68-2.65-2.62-2.59-2.52-2.45-2.44-2.44-2.41-2.38-2.38-2.86-3.23-3.75-4.00-3.72-2.75-2.69-3.57-4.01-3.34-2.68-2.68-3.47-4.11-3.92 Gain (dBi)2.072.162.202.372.482.652.833.033.053.173.273.323.383.443.493.513.493.483.513.573.603.322.871.831.601.662.653.011.921.822.983.473.552.772.132.12 Efficiency (%)46.4446.7747.4448.6149.8550.8651.9953.0353.4153.6253.9654.3354.7155.1356.0156.8657.0057.0557.4157.7557.8351.8047.5542.2139.7742.4953.0353.7744.0039.7346.3453.9053.9144.9838.8640.53 Directivity (dB)5.405.465.445.505.515.595.675.785.785.885.945.976.006.036.015.965.935.925.925.965.986.186.105.585.615.385.415.705.495.836.326.156.246.246.246.04 Peak Gain Position (Theta)96.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0096.0095.0095.0095.0096.0096.0096.0096.0097.0067.0067.0067.0067.0067.0067.0096.0067.0096.0097.0097.0068.00 Peak Gain Position (Phi)83.0083.0083.0082.0082.0082.0082.0081.0081.0081.0081.0080.0080.0080.0080.0079.0079.0079.0079.0079.0079.00203.00206.00208.0086.0056.00175.00174.00150.0076.00190.0075.00197.00199.00200.00264.00 Efficiency ThetaPol (%)32.0732.4033.0034.0235.0835.9836.9537.8038.1038.2538.5938.8439.1939.5940.3441.1441.4441.7842.3342.9043.2639.0935.5831.2829.0430.4738.0437.7130.8827.9132.1636.6036.4730.2626.4827.79 Efficiency PhiPol (%)14.3714.3714.4414.5914.7814.8915.0415.2315.3115.3715.3715.4915.5215.5415.6715.7215.5615.2815.0814.8514.5712.7111.9710.9310.7212.0314.9916.0613.1311.8214.1717.3017.4414.7212.3812.74 Upper Hem. Efficiency (%)19.0219.4320.0520.8521.6322.3123.0223.6223.9224.1324.4724.7725.1325.5926.3126.9927.3127.6528.0728.3628.5427.7026.0024.0823.6725.9432.9332.8325.9923.4227.3831.3830.9725.3621.3021.83 Lower Hem. Efficiency (%)27.4127.3427.3927.7728.2328.5528.9729.4129.4929.4929.4929.5629.5929.5329.7029.8729.6929.4129.3429.3929.2924.1021.5518.1316.1016.5520.1020.9418.0116.3118.9522.5322.9319.6217.5618.70 VER7 T90(H)圆度7.147.447.938.449.009.689.9710.3610.4110.3510.3010.009.959.869.779.809.539.479.259.008.4910.7611.5110.3712.4713.3110.799.0611.7615.1018.3217.4313.8911.599.758.64 Gain 15deg (dBi) E1(XZ)波瓣宽度15.0014.0014.0014.0014.0014.0018.0019.0020.0020.0021.0022.0023.0024.0025.0026.0025.0025.0024.0023.0023.0015.0015.0015.0018.0019.0019.0019.0019.0018.0018.0019.0019.0019.0018.0018.00 E1(XZ)前后比0.000.000.000.000.000.000.070.090.110.090.070.060.040.060.170.250.450.630.800.961.146.226.106.206.405.956.006.306.035.796.445.764.615.145.486.36 E2(YZ)波瓣宽度22.0022.0022.0022.0022.0021.0021.0021.0021.0021.0021.0021.0021.0021.0020.0020.0020.0020.0020.0019.0019.0015.0017.0017.0017.0018.0018.0018.0015.0015.0016.0017.0017.0018.0017.0017.00 E2(YZ)前后比3.143.062.912.892.943.053.233.433.613.783.903.903.893.933.914.034.294.674.935.235.555.124.634.654.663.323.303.112.321.952.312.342.112.032.993.15 最大增益处轴比(P)1.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.50 仰角10度最差(大)轴比(P)1.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.501.50 Hc(XY)波瓣宽度200.00198.00199.00199.00199.00198.00198.00197.00199.00198.00197.00197.00196.00197.00197.00199.00200.00201.00204.00205.00207.00159.0041.00199.0037.0031.0031.0031.0086.0092.0066.0069.0066.0069.0070.0082.00 Hc(XY)前后比2.192.272.322.512.442.532.542.552.552.542.572.582.672.722.802.792.822.862.742.692.653.583.423.324.083.833.192.552.252.794.095.526.326.866.465.74 Empty max57.83 min38.86 57.83 38.86 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 Efficiency (%) Max-Min …

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Rcstars Industrial (Shenzhen) Co., LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: December 12, 2023 Subject; Request for Confidentiality FCC ID: 2BAL6-RCS-3901 To Whom It May Concern, Pursuant to the provisions of the Commission’s 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: Fiona Xing Title: Manager

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Rcstars Industrial (Shenzhen) Co., LTD. Date：Dec. 08, 2023 Product Model Number: Android board FCC ID：2BAL6-RCS-3901 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 ORGANIZATION. 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 by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Manager Email: [email protected] Telephone: 0086-755-26607454 On behalf of: Rcstars Industrial (Shenzhen) Co., LTD.

Ext Photos Photo 1 Photo 2 ANT Photo 3 Photo 4

Label and Label Location Label： Label Location：

Int Photos Photo 1 Photo 2 ANT Photo 3 Photo 4

- Page 1 of 13 - Report No.: HB20231012003E-04 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: Android board Trade Mark: Model Number: RCS-3901 FCC ID: 2BAL6-RCS-3901 Prepared for Rcstars Industrial (Shenzhen) Co., LTD. 7/F, 2ND Bldg, Senyang High-Tech Park, No.7 Road, Guangming High-Tech Park District, Shenzhen, China Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 13 - Report No.: HB20231012003E-04 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 6 1.3 TEST SETUP .............................................................................................................................................................. 6 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 6 2 TEST FACILITIES AND ACCREDITATIONS ............................................................................................................ 7 2.1 TEST LABORATORY ..................................................................................................................................................... 7 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 7 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 7 2.4 TEST SOFTWARE ........................................................................................................................................................ 7 3 LIST OF TEST EQUIPMENT ................................................................................................................................ 8 4 RF EXPOSURE .................................................................................................................................................. 9 4.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS........................................................................................................ 9 4.1.1. Limit ............................................................................................................................................................ 9 4.1.2. Test Result ................................................................................................................................................... 9 - Page 3 of 13 - Report No.: HB20231012003E-04 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Rcstars Industrial (Shenzhen) Co., LTD. Address ................................. : 7/F, 2ND Bldg, Senyang High-Tech Park, No.7 Road, Guangming High-Tech Park District, Shenzhen, China Manufacturer's Name .......... : Rcstars Industrial (Shenzhen) Co., LTD. Address ................................. : 7/F, 2ND Bldg, Senyang High-Tech Park, No.7 Road, Guangming High-Tech Park District, Shenzhen, China Product description Product name ........................ : Android board Model Number ....................... : RCS-3901 Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 447498 D01 General RF Exposure Guidance v06 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ............................................ : Date (s) of performance of tests ............. : Oct. 12, 2023~Dec. 08, 2023 Test Result ............................................... : Pass Testing Engineer : (Zoe Su) Technical Manager : ( G a r y Lu) Authorized Signatory : (L e o S u) - Page 4 of 13 - Report No.: HB20231012003E-04 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision History Revised No. Date of Issue Description 01 Dec. 08, 2023 Original - Page 5 of 13 - Report No.: HB20231012003E-04 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com 1 General Description 1.1 Description of EUT Product name: Android board Model name: RCS-3901 Series Model: N/A Different of series model: N/A Operation frequency: 802.11b/g/n20:2412~2462 MHz 802.11n40:2422~2452 MH…

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- Page 1 of 2 - Test Setup Photos Radiated Emission Below 1GHz Radiated Emission Above 1GHz - Page 2 of 2 - Conducted Emission DFS