FCC ID: A5M-ECBPR70 Wireless LAN / Bluetooth devices

Quick Guide Package List 1. Mother Board 2. Pub 3. Adaptor(option) 4. USB cable(option) It is recommended to use an electrostatic bracelet to prevent damage, Please do not connect to interfaces other than USB, LAN, Audio, HDMI when power is on. ECB-PR70 Ver:1.0 Notice The adapter requires DC5V @3A. Be sure to install a custom heatsink when running under a large load. Must be used under normal temperature conditions. External power supply is required for larger loads. Must use the standard wifi antenna. Be careful not to reverse the power of the serial port and GPIO, otherwise it will damage the motherboard. Usage Step 1.From the website https://github.com/leezsbc/

resources / wiki / Leez-P710 download the appropriate image. 2. Burn the operating system to SD card or eMMC, (see the official website for the burning method Relevant detailed guidelines https://leez.lenovo.com). 3. Connect the appropriate peripherals. 4. USB 5V power connected to the power adapter. Tech Support https://leez.lenovo.com Leez forum:

https://leez.lenovo.com/forum mailleezinfo@lenovo.com Front GPIO 40PIN header Back System Spec USB 3.0A*1 + USB 3.0 Type c*1, Support DP FCC Modular Usage Statement 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 3V3 SDA2 SCL2 A0 GND A1 A3 A4 3V3 SP1T SP1R SP1C GND SDA1 RX TX CK DI0 DI1 GND 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 5V 5V GND C1 C0 C2 GND C6 C7 GND D0 SP1CS SPDIF SCL1 GND I2CLK GND DO0 DI2 DI3 Item Platform Memory Storage M.2 USIM Description Rockchip RK3399,Mali-T860 GPU 4/2GB LPDDR4 eMMC 16GB(optional) M.2 B-key Slot*1, 3042, for 4G LTE USIM slot*1 Ethernet: Native Gbps Ethernet Connectivity WiFi: 802.11a/b/g/n/ac, Bluetooth 5.0 Antenna*1: IPX Connector Video Input 2 4-Lane MIPI-CSI, dual ISP, HDMI*1: HDMI 2.0a, supports 4K@60Hz Video Output HDCP 1.4/2.2, DP*1(usb type c) 4-Lane MIPI-DSI*1 USB Pin-header Key LED Others Power Heat sink USB2.0*2,Type-A ports USB Type-C*1: 5V Power input GPIO1: 40pin, 2.54mm pitch pin-header 2*3V/1.8V I2C, up to 1*3V UART, 1*3V SPI, 1*SPDIF_TX, up to 8*3V GPIOs, 1*1.8V 8 channels I2S GPIO2: 8*2pin, 2.54mm pitch pin-header USB 2.0 Host *2 , led, pwr, reset, audio output GPIO3: Serial Debug Port*1, 4pin,2.54mm header PowerKey*1 Power LED(Red)*1 GPIO Controlled LED(Green)*1 DC 5V/3A Fanless cooling fin RTC: 2 Pin 1.27/1.25mm RTC battery input connector, 2.2 List of applicable FCC rules FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC CFR Title 47 Part 15 Subpart E Section 15.407 2.3 Summarize the specific operational use conditions This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users 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 andused 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. 2.6 RF exposure considerations This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and user body. 2.7 Antennas Integral antenna with antenna gain 2dBi for frequency range from 2402MHz to 2480MHz and 1.3dBi for frequency range from 5180MHz to 5240MHz & 5745MHz to 5825MHz .The antenna is a detachable FPC antenna. Please use the same type of antenna and the antenna gain should not exceed the specified value. Do not replace other types of antennas without permission. Label and compliance information If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains Transmitter Module FCC ID: A5M-ECBPR70 Antennas : The antenna design frequency bandis:2.4G/5.8GWIFI segment. 2400-2480MHz 5100-5850MHz Radiantefficiency2400-2480MHz:>45%

5100-5850MHz30 Label and compliance information If this certified module is installed inside the host device, then the outside of the host must be labeled with Contains FCC ID: A5M-ECBPR70. Recycling and Environmental Information Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information on recycling Lenovo products, go to: http://www.lenovo.com/recycling Important battery and WEEE information Batteries and electrical and electronic equipment marked with the symbol of a crossed-out wheeled bin may not be disposed as unsorted municipal waste. Batteries and waste of electrical and electronic equipment (WEEE) shall be treated separately using the collection framework available to customers for the return, recycling, and treatment of batteries and WEEE. When possible, remove and isolate batteries from WEEE prior to placing WEEE in the waste collection stream. Batteries are to be collected separately using the framework available for the return, recycling, and treatment of batteries and accumulators. Country-specific information is available at:

http://www.lenovo.com/recycling Restriction of Hazardous Substances Directive (RoHS) European Union RoHS Lenovo products sold in the European Union on or after 3 January 2013 meet the requirements of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS recast or RoHS 2). For more information about Lenovo progress on RoHS, go to: http://www.lenovo.com/social_ responsibility/us/en/RoHS_Communication.pdf Plastic Bag Notice DANGER: Plastic bags can be dangerous. Keep plastic bags away from babies and children to avoid danger of suffocation. Lithium battery notice DANGER: Danger of explosion if battery is incorrectly replaced. When replacing the lithium coin cell battery, use only the same or an equivalent type that is recommended by the manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Do not:

Throw or immerse into water Heat to more than 100C (212F) Repair or disassemble Dispose of the battery as required by local ordinances or regulations. The following statement applies to users in the state of California, U.S.A. Perchlorate material: Special handling may apply. See www.dtsc.ca.gov/hazardouswaste/

perchlorate. Export Classification Notice This product is subject to the United States Export Administration regulations (EAR) and has an Export Classification Control Number (ECCN) of 5A992.c. It can be re-exported except to any of the embargoed countries in the EAR E1 country list. Compliance Information The latest electronic compliance and environmental information is available from the Lenovo Web sites. To view compliance information go to:

http://www.lenovo.com/compliance To download environmental information go to:

http://www.lenovo.com/ecodeclaration IMPORTANT SAFETY INSTRUCTIONS Notice: Product related information is located at the bottom of your device. Read these instructions All the safety and operating instructions should be read before this product is operated. Keep these instructions The safety and operating instructions should be retained for future reference. Heed all warnings All warnings on the appliance and in the operating instructions should be adhered to. Follow all instructions All operating and use instructions should be followed. Do not use this apparatus near water The appliance should not be used near water or moisture for example, in a wet basement or near a swimming pool, and the like. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufactures instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding plug. A polarized plug has two blades with one wider than the other. A grounding plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. Protect the power cord from being walked on or pinched particularly at the plugs, convenience receptacles, and at the point where they exit from the apparatus Only use attachments/accessories specified by the manufacturer. Unplug the apparatus during lightning storms or when unused for long periods of time. Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Minimum distances around the apparatus for sufficient ventilation is 20 cm. The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths, curtains, etc. No naked flame sources, such as lighted candles, should be placed on the apparatus. The use of apparatus in moderate climates. WARNING: The batteries shall not be exposed to excessive heat such as sunshine, fire or the like. WARNING: The direct plug-in adapter is used as disconnect device, the disconnect device shall remain readily operable. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of non-insulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock. WARNING: To reduce the risk of electric shock, do not remove cover (or back) as there are no user-serviceable parts inside. Refer servicing to qualified personnel. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the appliance. This equipment is a Class II or double insulated electrical appliance. It has been designed in such a way that it does not require a safety connection to electrical earth. FCC Statement 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 o 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 dierent from that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help. 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. Changes or modications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. SAR Statement This equipment complies with FCC/IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Manufacturer: Lenovo (Beijing) Limited Location: 201-H2-6, Floor 2, Building 2, No.6 Shangdi West Road, Haidian District, Beijing, China 100085 Operating temperature0 to +60 We declares that this device is in compliance with the essential repuirements and other relevant provisions of Directive 2014/53/EU. Our product do not contains the AC/DC adapter. You need purchase the DC 5V/3A compliance the directive 2014/30/EU. The adapter shall be installed near the equipment and shall be easily accessible. Wi-Fi Operation Frequency: 2412MHz~2472MHz Maximum Power: 15.53dBm(E.I.R.P.)

Lenovo (Beijing) Limited Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:

Subject; Modular Transmitter Application Company name: Lenovo (Beijing) Limited FCC ID: A5M-ECBPR70 Dear Sir/Madam, This letter includes the FCC application requirements for Modular Transmitter Approval Request for;-

FCC KDB 996369 D01 Module Certification Guide v02; and FCC KDB 996369 D03 OEM Manual v01 In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Equip Auth Guide v02. FCC ID A5M-ECBPR70 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. The module must contain power supply regulation on the module. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). The module must demonstrate compliance in a stand-alone configuration. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. The module must comply with RF exposure requirements Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) yes,ThemodulehaveaRFshielding. Yes, Themodule has its ownbuffered modulation/data inputsunit. Yes, Themodule has a powersupply circuitry. Yes, Themodule has a permanentlyantenna. Yes, The module compliance astand-alone configuration. Yes, Thelabelispastedonthe shield of the module. Yes, Themodule compliance allconditions provided in the integration instructions bythe grantee. Yes, The module compliance withRF exposurerequirements FCC Modular Approval Request Rev 3.0 Lenovo (Beijing) Limited Integration Instructions for host product manufacturers The following items are submitted in support of application for Modular Transmitter FCC ID as noted above as required by the FCC KDB 996369 D03 OEM Manual v01. These items are provided as integration instructions for host product manufacturers (e.g., OEM instruction manual) to use when integrating a module in a host product. Any requirements that are not applicable to the Module are as indicated below. Summary of requirements and Checklist.Refer to the KDB for description of the complete requirements;

KDB Ref Sect Requirements of KDB 996369 D03 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 List of applicable FCC rules Summarize the specific operational use conditions Limited module procedures Trace antenna designs RF exposure considerations Antennas Label and compliance information Information on test modes and additional testing requirements Additional testing, Part 15 Subpart B disclaimer User Manual Page Number reference Page1 Page 1 Not compliance Not compliance Page 2 Page 2 Page 2 Page 2 Page 2 Name: Yang Liu Date: 2020-08-11 Title: Compliance Engineer Signature of applicant FCC Modular Approval Request Rev 3.0

Lenovo (Beijing) Limited Letter of Authorization Company: Lenovo (Beijing) Limited Address: 201-H2-6, Floor2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, China Product Name: Wireless LAN / Bluetooth devices Model Number(s): ECB-PR70 Product Description: Wireless LAN / Bluetooth devices We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Ya as ly, Date: 2020-08-06 Name: Yang Liu Title: Compliance Engineer Company: _Lenovo (Beijing) Limited

< Lenovo (Beijing) Limited >

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Date: 2020-08-06 Subject; Request for Long Term Confidentiality FCC ID: ASM-ECBPR70 To Whom It May Concern, Pursuant to the provisions of the Commissions 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. fiSchematic Diagram

&Block Diagram Operational Description

& Software Security Requirements for UNII devices 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: Yanj, Lin Name: Yang Liu Title: Compliance Engineer

Lenovo (Beijing) Limited FCC Software Configuration Control Declaration Date: August 19, 2020 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product/ Model Number: Wireless LAN / Bluetooth devices/ ECB-PR70 Regarding FCC Country Code Selection guidelines identified in KDB 594280 D01 V02r01. All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Name:

Yang Liu Date: 2020/08/06 Title:

Compliance Engineer Signature of applicant FCC Software Configuration Control Declaration