2AWD4-KS3399A24 inch Flat Screen-P

AIO User Guide Thanks for buying the All In One. This manual is to introduce the functions of the device, as well as matters which need attention. Please read this manual before you use the device. Catalog ⚫ 1. Announcements----------------------------------------------------------------------------------------------- ⚫ 2. Packing Details-------------------------------------------------------------------------------------------------- ⚫ 3. Functional characteristics------------------------------------------------------------------------------------ ⚫ 4. Product description-------------------------------------------------------------------------------------------- ⚫ 5. Main interface introduction---------------------------------------------------------------------------------- ⚫ 6. Buttons on the main interface------------------------------------------------------------------------------- ⚫ 7. Basic setting options------------------------------------------------------------------------------------------- ⚫ 8. Common problems and Solutions-------------------------------------------------------------------------- ⚫ 9. FCC compliance statement ---------------------------------------------------------------------------------- 1. Announcements ① Only use the power adapter, power cord and other accessories provided by the original factory. ② The gaps and openings on the machine are used for ventilation and heat dissipation. Do not block or cover these gaps and openings. ③ Do not use or store the machine in dusty, humid and high temperature environment. ④ When the machine breaks down, do not disassemble and repair by yourself. Contact the original factory or dealer to solve the problem. ⑤ Avoid stepping on the power line or power adapter, so as to avoid the danger of leakage caused by line damage. If the wiring of the power adapter is damaged, do not continue to use it, otherwise danger may occur. ⑥ Please unplug the power cord when it is not suitable for this machine in thunderstorm or for a long time. ⑦ When using, please do not put the machine on the edge of the table or the place easily accessible to children, so as to avoid falling damage or injury to children. ⑧ During transportation or use, try not to touch the display screen, do not squeeze the display screen, do not use sharp tools or hard objects to damage the display screen, so as to avoid damage to the display screen。 ⑨ Please clean the Android all in one machine with a dry soft cloth or a soft cloth slightly dipped in a soft detergent. Do not use any kind of solvent, such as alcohol or gasoline, otherwise the surface treatment layer may be damaged. 2.1 Packing Details. Each unit of All in one has the following items: All in one device*1, and user manual*1. .All items are packed in box. 3.1 Features Overview ◼ Product Name: 24 inch Flat Screen-P ◼ Model No.: ECHKIN24-3399-C ◼ CPU: RK 3399 Quad-core , 1.8GHz. With ANDROID 9.0 operation system . ◼ 24" touch panel LCD display, 1920*1080 resolution. ◼ 32 GB Nand Flash Memory, support 64GB external TF card. ◼ ANDROID 9.0 OS. ◼ Bluetooth 5.0 ◼ Built-in Wi-Fi. 802.11a/b/g/n/ac. (2.4Ghz+5.0Ghz, 2x2MIMO) ◼ Support built-in microphone record function. ◼ Support G-sensor screen rotation function. ◼ Support Multi touch 10 points ◼ Supports multiple languages. ◼ Support External 3G dongle 3.2 Technical Specifications Screen 21.5 inch capacitive 10 points touch screen, Resolution:1920*1080 CPU Chipset: RK 3399 Quad-core , 1.8GHz. RAM DDR3 4GB Storage Nand Flash 32GB Camera Front 5.0 MP Standard System Android 9.0 Network Wifi: IEEE 802.11a/b/g/n/ac. 2X2 MIMO Video MEPG 1/2/4,H.263/H.264,RMVB,WMV/VC-1,MVC,AVS,MJPEG. (UP TO 1080P) Music MP3,WMA,WAV,OGG,FLAC,ALAC,APE,AAC,AC-3,DTS (need license) Pictures BMP, JPG, GIF, PNG PC Connection DC Power jack 5.5MM*2.5MM,Input 12V 3A Operation Tem. 0-40 degree 4.1 Product description Interface： Power On / off Insert the power supply to enter the start-up interface automatically. Press the power button for 3-5 seconds for shutdown, and the shutdown dialog box will appear, and then click shutdown. Press the power button for 3-5 seconds for start up without unplugging the power supply to enter the start-up interface. 5.1 Main interface introduction It will automatically enter into the main interface after start up. 6. Buttons on the main interface Volume button，Click to adjust the volume low. Volume button，Click to adjust the volume up. Back button，Click this icon on any interface to return to the previous directory. Home button，Click any interface to return to the main interface. Recent browsing records. Upper left corner of main interface 1）Drag from the top of the display to view the download status. 2）Three bars to clear the download display. 3）When connecting USB, you can open USB storage connection or USB debugging. Upper right corner of main interface 1. Drag down from the top of the display to view brightness, settings, WiFi, automatic rotation screen, Bluetooth, location information. 2. Long press any position of the main interface to open the wallpaper selection dialog box, and select your favorite wallpaper according to the prompts. 3. Create shortcut icon in main interface： Long press the required icon in the menu to move to the main interface to generate shortcut icon. 7.1 Function introduction of basic setting options ➢ WIFI Click WiFi option, open WiFi, select WiFi network, input correct password to connect. ➢ Bluetooth Enter the setting interface, click the Bluetooth option, open the Bluetooth, click the search device in the upper right corner, and open the Bluetooth of the device to be connected at the same time to search for it; click the device name to search for it, and the Bluetooth pairing requirements will appear, and the local device and the device can click pairing at the same time to connect. ➢ Flow usage You can view the traffic records generated by surfing the Internet. ➢ More The content includes airplane mode, network sharing and con…

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Echelon Fitness Multimedia LLC [2021-4-30] Federal Communications Commission 445 12 th Street SW Washington, DC 20554 Subject: Limited Agency Agreement (Echelon Fitness Multimedia LLC) FCC ID: 2AWD4-KS3399A To Whom It May Concern: We, Echelon Fitness Multimedia LLC, hereby authorized Intertek Testing Services to act as our Agent for the purpose of preparing application for FCC ID number 2AWD4-KS3399A under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is 2021-4-30. The Limited Agency Agreement expires on 2022-4-30, unless sooner terminated or extended by written notice to Intertek Testing Services and the Federal Communications Commission. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely, [Ryan Judd] [Sr. Quality Manager]

1(2) Echelon Fitness Multimedia LLC Attention: Certification reviewer RE: Request for Confidentiality FCC ID: 2AWD4-KS3399A To Whom It May Concern: Permanent Confidentiality [Complete this section if permanent confidentiality is requested] Request to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential: [Select one or more of items below, as appropriate] Schematics Block Diagrams Operational Description Tune-up Procedure Parts List Internal Photos (see note) Users Manual (see note) Note 1: Internal Photos may be held confidential 1) if the circuit board or internal components are not accessible to users. For example, it is acceptable if the circuit board is enclosed in epoxy. 2) Also, it is acceptable if the device is not accessible to the public, for example, a device mounted on the top of a large tower (or in a fenced enclosure) such that it is only serviceable by professional designated technicians under a Non-Disclosure Agreement (NDA). All sales for these devices must be under a NDA restricting the disclosure of the propriety information, including internal photos. Users Manual may be held confidential only when the manual contains proprietary technical information intended for professional technicians obligated under a NDA. All sales and distribution of the user’s manual must be under a NDA that restricts the disclosure of the information. In the application cover letter requesting permanent confidentiality the following additional description and the NDA exhibit is required: 1. Describe in detail how internal photos and/or users manual information are controlled to prevent them from becoming public or disclosed to unauthorized persons. 2. Describe how public access is restricted for products serviceable by professional designated technicians. 3. A statement that all sales of the non-consumer device will be under a NDA to include third party sales and that the final user of the device is subject to the NDA. 4. Provide an example of the NDA between the grantee and a purchaser. The request for confidentiality must Note 2: For scanning receiver, the schematics, block diagrams, operational description, tune-up procedure, parts list and internal photos are always held permanently confidential. Short-term Confidentiality [Complete this section if short-term confidentiality is requested] Request to withhold from public review for a period of [please enter 1 to 180] days from the date of the Grant of Equipment Authorization and prior to marketing, certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept short-term confidential for a period above from the date of the grant [Select one or more of items below that are not selected in the list above, as appropriate] Schematics Block diagrams Operational Description Tune-up Procedure 2(2) Parts List Test Setup Photos External Photos Internal Photos Users Manual Rationale for request for confidentiality: We have invested considerable time and materials in research and development to produce the referenced product. Permanent confidentiality: Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us. Short-term confidentiality: Disclosure of the short-term confidential portions of this application during the period of importation and/or distribution would reveal key aspects of proprietary technology to competitors and diminish the value of our investment in research and development. If you have questions or need further information, please contact the undersigned. Sincerely, _________________ Ryan Judd Sr Quality Manager 2021/4/30

Size: 90*60mm

INTERTEK TESTING SERVICES RF Exposure The equipment under test (EUT) is a 24 inch Flat Screen-P with Bluetooth 5.0 (dual-mode) function operating in 2402-2480MHz, 2.4G WIFI function operating in 2412-2462MHz and 5G WIFI function operating in 5150MHz~5250 MHz, 5250MHz~5350MHz, 5470MHz-5725MHZ, 5725MHz~5850MHz. The EUT is powered by DC 12V. For more detail information pls. refer to the user manual. Bluetooth Version: 5.0 EDR mode. Antenna Type: Integral antenna. Antenna Gain: 1.2dBi. Modulation Type: GFSK, π/4DQPSK, 8DPSK. The nominal conducted output power specified: -1.0dBm (+/-3dB) The nominal radiated output power (e.i.r.p) specified: 0.2dBm (+/- 3dB) According to the KDB 447498: The maximun peak radiated emission for the EUT is 96.4dBμV/m at 3m in the frequency 2402MHz The EIRP = [(FS*D) ^2 / 30] mW = 1.17dBm which is within the production variation. The minimum peak radiated emission for the EUT is 94.2dBμV/m at 3m in the frequency 2441MHz The EIRP = [(FS*D) ^2 / 30] mW = -1.03dBm which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, According to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum radiated power = 3.2dBm = 2.09mW From above data, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna for 5.0 BLE mode can be calculated according to OET 65 as follow: = 2.09mW/ 4πR^2 = 0.0004 mW/cm^2 <1mW/cm^2 The MPE limit is 1.0 mW/cm^2 for general population and uncontrolled exposure in the Bluetooth frequency range according to FCC Part 1.1310. As the measured power density at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structure and body of the user or nearby persons. FCC ID: 2AWD4-KS3399A INTERTEK TESTING SERVICES Bluetooth Version: 5.0 BLE mode. Antenna Type: Integral antenna. Antenna Gain: 1.2dBi. Modulation Type: GFSK. The nominal conducted output power specified: 1.8dBm (+/-3dB) The nominal radiated output power (e.i.r.p) specified: 3dBm (+/- 3dB) According to the KDB 447498: The maximun peak radiated emission for the EUT is 99.4dBμV/m at 3m in the frequency 2402MHz The EIRP = [(FS*D) ^2 / 30] mW = 4.17dBm which is within the production variation. The minimum peak radiated emission for the EUT is 97.9dBμV/m at 3m in the frequency 2480MHz The EIRP = [(FS*D) ^2 / 30] mW = 2.67dBm which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, According to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum radiated power = 6dBm = 3.98mW From above data, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna for 2.4GHz band can be calculated according to OET 65 as follow: = 3.98mW/ 4πR^2 = 0.0008 mW/cm^2 <1mW/cm^2 The MPE limit is 1.0 mW/cm^2 for general population and uncontrolled exposure in the Bluetooth frequency range according to FCC Part 1.1310. As the measured power density at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structure and body of the user or nearby persons. FCC ID: 2AWD4-KS3399A INTERTEK TESTING SERVICES 2.4GHz WiFi: Antenna Type: Integral Antenna. Antenna Gain: 1.2dBi for each antenna Directional Gain: 4.2dBi Modulation Type: BPSK, QPSK, 16QAM, 64QAM, CCK, DQPSK, DBPSK and DSSS. The nominal conducted output power specified: 17dBm (Tolerance: +/-4dB). The maximun conducted output power for the EUT is 17.92 dBm in the frequency 2412MHz(802.11 n-HT20, MIMO mode) which is within the production variation. The minimum conducted output power for the EUT is 13.57dBm in the frequency 2437MHz(802.11 n-HT20, SISO mode) which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, According to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum radiated power = 25.2dBm = 332.1mW From above data, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna for 2.4GHz band can be calculated according to OET 65 as follow: = 332.1mW/ 4πR^2 = 0.066 mW/cm^2 <1mW/cm^2 The MPE limit is 1.0 mW/cm^2 for general population and uncontrolled exposure in the Bluetooth frequency range according to FCC Part 1.1310. As the measured power density at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structure and body of the user or nearby persons. FCC ID: 2AWD4-KS3399A INTERTEK TESTING SERVICES 5GHz WiFi: Antenna Type: Integral Antenna. Antenna Gain: 1.6dBi for each antenna Directional Gain: 4.6dBi Modulation Type: BPSK, QPSK, 16QAM, 64QAM and OFDM. The nominal conducted output power specified: 12dBm (Tolerance: +/-6dB). The maximum conducted output power for the EUT is 17.5dBm in the frequency 5745MHz(802.11 N-HT20, MIMO mode) which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, According to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum radiated power = 22.6dBm = 181.97mW From above data, the exposed power density …

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Echelon Fitness Multimedia LLC TEST REPORT SCOPE OF WORK FCC TESTING–ECHKIN24-3399-C REPORT NUMBER 210420016SZN-001 ISSUE DATE [REVISED DATE] 01 August 2021 [--------------------] PAGES 27 DOCUMENT CONTROL NUMBER FCC ID 249_C © 2017 INTERTEK Intertek Report No.: 210420016SZN-001 This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, ShenZhen, P.R. China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Version: 01-November-2017 Page: 1 of 27 FCC ID 249_C Test Report Echelon Fitness Multimedia LLC Application For Certification FCC ID: 2AWD4-KS3399A 24 inch Flat Screen-P Model: ECHKIN24-3399-C Brand Name: ECHELON 2.4GHz Transceiver Report No.: 210420016SZN-001 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [10-1-19] Prepared and Checked by: Approved by: Ryan Chen Engineer Peter Kang Sr. Technical Supervisor Date: 01 August 2021 Intertek Report No.: 210420016SZN-001 Version: 01-November-2017 Page: 2 of 27 FCC ID 249_C Test Report MEASUREMENT/TECHNICAL REPORT This report concerns (check one:) Original Grant X Class II Change Equipment Type: DXX - Part 15 Low Power Communication Device Transmitter Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart C for intentional radiator − the new 47 CFR [10-1-19 Edition] provision. Report prepared by: Ryan Chen Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, ShenZhen, P.R. China Tel / Fax: 86-755-8614 0682/86-755-8601 6661 Intertek Report No.: 210420016SZN-001 Version: 01-November-2017 Page: 3 of 27 FCC ID 249_C Test Report Table of Contents 1.0 Summary of Test Result ................................................................................................. 4 2.0 General Description ...................................................................................................... 5 2.1 Product Description .................................................................................................... 5 2.2 Related Submittal(s) Grants ......................................................................................... 5 2.3 Test Methodology ...................................................................................................... 5 2.4 Test Facility ............................................................................................................... 5 3.0 System Test Configuration ............................................................................................. 6 3.1 Justification ............................................................................................................... 6 3.2 EUT Exercising Software .............................................................................................. 6 3.3 Special Accessories ..................................................................................................... 6 3.4 Equipment Modification .............................................................................................. 7 3.5 Measurement Uncertainty .......................................................................................... 7 3.6 Support Equipment List and Description ........................................................................ 7 4.0 Emission Results ........................................................................................................... 8 4.1 Radiated Test Results .................................................................................................. 8 4.1.1 Field Strength Calculation ......................................................................................... 8 4.1.2 Radiated Emission Configuration Photograph .............................................................. 9 4.1.3 Radiated Emissions .................................................................................................. 9 4.1.4 Transmitter Spurious Emissions ............................................................................... 12 4.2 Conducted Emission Configuration Photograph ............................................................ 16 4.2.1 Conducted Emission ............................................................................................... 16 5.0 Equipment Photographs .............................................................................................. 19 6.0 Product Labelling ........................................................................................................ 19 7.0 Technical Specifications ..........................................................................................…

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Echelon Fitness Multimedia LLC TEST REPORT SCOPE OF WORK FCC TESTING–ECHKIN24-3399-C REPORT NUMBER 210420016SZN-002 ISSUE DATE [REVISED DATE] 01 August 2021 [---------------------] PAGES 26 DOCUMENT CONTROL NUMBER FCC ID 249_C © 2017 INTERTEK Intertek Report No.: 210420016SZN-002 This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, ShenZhen, P.R. China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Version: 01-November-2017 Page: 1 of 26 FCC ID 249_C Test Report Echelon Fitness Multimedia LLC Application For Certification FCC ID: 2AWD4-KS3399A 24 inch Flat Screen-P Model: ECHKIN24-3399-C Brand Name: ECHELON 2.4GHz Transceiver Report No.: 210420016SZN-002 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [10-1-19] Prepared and Checked by: Approved by: Ryan Chen Engineer Peter Kang Sr. Technical Supervisor Date: 01 August 2021 Intertek Report No.: 210420016SZN-002 Version: 01-November-2017 Page: 2 of 26 FCC ID 249_C Test Report MEASUREMENT/TECHNICAL REPORT This report concerns (check one:) Original Grant X Class II Change Equipment Type: DXX - Part 15 Low Power Communication Device Transmitter Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart C for intentional radiator − the new 47 CFR [10-1-19 Edition] provision. Report prepared by: Ryan Chen Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, ShenZhen, P.R. China Tel / Fax: 86-755-8614 0682/86-755-8601 6661 Intertek Report No.: 210420016SZN-002 Version: 01-November-2017 Page: 3 of 26 FCC ID 249_C Test Report Table of Contents 1.0 Summary of Test Result ................................................................................................. 4 2.0 General Description ...................................................................................................... 5 2.1 Product Description .................................................................................................... 5 2.2 Related Submittal(s) Grants ......................................................................................... 5 2.3 Test Methodology ...................................................................................................... 5 2.4 Test Facility ............................................................................................................... 5 3.0 System Test Configuration ............................................................................................. 6 3.1 Justification ............................................................................................................... 6 3.2 EUT Exercising Software .............................................................................................. 6 3.3 Special Accessories ..................................................................................................... 6 3.4 Equipment Modification .............................................................................................. 6 3.5 Measurement Uncertainty .......................................................................................... 7 3.6 Support Equipment List and Description ........................................................................ 7 4.0 Emission Results ........................................................................................................... 8 4.1 Radiated Test Results .................................................................................................. 8 4.1.1 Field Strength Calculation ......................................................................................... 8 4.1.2 Radiated Emission Configuration Photograph .............................................................. 9 4.1.3 Radiated Emissions .................................................................................................. 9 4.1.4 Transmitter Spurious Emissions ............................................................................... 12 4.2 Conducted Emission Configuration Photograph ............................................................ 16 4.2.1 Conducted Emission ............................................................................................... 16 5.0 Equipment Photographs .............................................................................................. 19 6.0 Product Labelling ........................................................................................................ 19 7.0 Technical Specifications .........................................................................................…

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