2AZ8C-P4P4 Outdoor full color LED display

皇家显⽰示 !1 Outdoor P4 LED Display Product Specification Model Number P4-1921-10S Description: Outdoor P4 SMD 3IN1 Module Module structure module with integrated lamp and drive Lamp: 1921 lamp 皇家显⽰示 !2 1.Key technical parameters Outdoor Full Color P4（1921） P4 Outdoor Full Color Display SMD1921(1R1G1B) ItemTechnical parameter Panel Dimension （W）320mm*160mm（H） Pixel pitch4mm Pixel Density62500/ M 2 Pixel configuration1R1G1B LED specificationSMD1921 Pixel resolution （W）80*40（H） Average power16W Panel current8A PCB fire-resistance levelVO rate Panel weight0.45KG Cabinet & Bracket Humidity10%-95%RH Number of unit boards per square meter 19.5PCS Hub connectingHUB75 Best viewing angleHorizontal >170 Vertical>120 Best viewing distance4--40M Working temperature-20-+60 Panel power supply5V40A Screen power supply220VAC/50HZ+_10% Max power<1000W/M² Average power300W power quantity200W/4PCS Technical parameter Driving device16207Constant current drive Drive type1/10Scanning Refresh frequency1920HZ/S Display color4096*4096*4096 皇家显⽰示 !3 2. Product features ★Universal standard module with a size of 320*160mm. ★High-quality lamp beads with cost-effective and stable performance after multiple high and low temperature experiments and scanning layer detection. ★Compatible cabinets between standard modules with short lead time and switchable between common steel structures when customers change products with different spac- ing; ★High brightness, high refresh, high protection level, suitable for outdoor media ad- vertising and other occasions. ★Independent research and development and production kits, masks, vertical and hori- zontal rib design, efficient dust protection, uniform ink color, solid and flat, anti-ultravi- olet module kit to ensure that the screen is flat and not deformed, and the display effect is better. ★Fully developed outdoor high-definition LED displays with various specifications outstanding in the industry and with mature cases all over the world. ★Modular design, low installation and maintenance cost, fast setup, and hot plugging. ★Perfect optional supporting solutions such as camera, cable, 3G, WIFI technology, cloud broadcast control, and full network access, which support mainstream format and support DVI HDMI 3G/HD/SD three-speed SDI high-definition display mode. It fea- tures broad color gamut, intelligent adjustable color temperature and brightness, uniform color, high contrast, beautiful and natural picture. ★。Main application in many trades and industries, such as outdoor advertising media, government and corporate projects, cultural tourism, sports competitions, publicity, commercial real estate firms. Technical parameter Brightness5000cd/M 2 Life span100000Hours Communication distance<100M 皇家显⽰示 !4 3.Module Exhibition ! ! Highlights:·Unique mask design, dark in color and high contrast. ·Standardized module size of 320*160mm ·Symmetrical and uniform, firm and flat in structure ·The module with SMD1921 lamp has the characteristics of good heat dissipation and good weather resistance. ·Constant current drive, 1/10 scan rate. 皇家显⽰示 !5 ·High brightness more than 5000 cd/㎡, good light distribution and angular consis- tency. 4.Cabinet Exhibition Features:·960*960mm standard iron box, suitable for all 320*160mm modules. ·Uniform installation hole, waterproof rubber ring, screw specification, power cord, interface, unified box specification, packaging size, and steel structure de- sign. ·Waterproof rate up to IP65. 皇家显⽰示 !6 5. Packaging The packaging adopts high-quality carton with size of 60*36.9*38.7mm and 40 sheets in each carton weighting 19.7KG. The module is equipped with a corner protector, superheated shrink film packaging, and contains pearl cotton corner protector, which can effectively avoid delivery damage caused by collision dur- ing handling and transportation. !! 6. Module mounting holes 皇家显⽰示 !7 ! Remarks: The unit of all dimensions is mm; the shape tolerance is ±0.2, and the aperture tolerance is ±0.1. 7. Installation method (simple diagram of installation structure) Pillar mount Single pillar mount Floor mount Recessed mount Pendant mount 皇家显⽰示 !8 Note: The above are the six commonly used installation methods in the current display installation. Generally, the A\B\C\D four methods are designed for indoor display screens. All of the above methods can be used for outdoor display screens. 8. Examination before installation of display screen structure 1. Whether the structure of the bottom layer is firm; 2. Whether the width and height of the structure are accurate, generally 20mm-50mm larger than the size of the display screen is appropriate; 3. The distance between the square tube and the square tube must be strictly consistent from the bottom to the top, otherwise the screen will have gaps during installation. In severe cases, it is difficult to install to the upper layer or cannot be installed, causing rework; 4. Check whether the channel position in the structure is appropriate and will it block the rear door of the box, otherwise the rear door of the box cannot be opened after the screen is installed; 5. Whether the holes on both sides of the screen are blocked. 皇家显⽰示 !9 9. Diagram of disassembly, maintenance, and wiring connection Note: Our company will continue to upgrade and improve existing prod-ucts. Specifi-cations are subject to change without notice. The right to interpret the product specifications and technical indicators belongs to our company. Position base 40*40 pedestalConnecting pedestal Wire Hole Handle Video processor Default sending card Camera Digital Video signal transfer Power supply and signal interface Wires Signal wires for common solutions Other signal wires Power and signal bus wires Audio Power box FCCCaution Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)Thisdevicemaynotcaus eharmfulinterference,and(2) thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay caus eun desiredopera…

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East West International Model Difference Product description: P4 Outdoor full color LED display Model name: P4, P2.5, P5, P6.67, P8, P10 Trade Name: N/A FCC ID: 2AZ8C-P4 All the model are the same circuit and RF module, only for model name. Regards Sincerely Client’s signature: Client’s name / title : KAPIL THAKKAR (PRESIDENT) Contact information / address: 5810 Hillcroft Ave. Houston, Texas 77036 USA

C5266091_X8_Ed.1 Letter of Authorization East West International Company: East West International Address: 5810 Hillcroft Ave. Houston, Texas 77036 USA Product Name: P4 Outdoor full color LED display Model Number: P4 FCC Identifier: 2AZ8C-P4 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: KAPIL THAKKAR Date: June.02.2021 Title: PRESIDENT Signature of applicant: 1/1

C5266091_X10_Ed.2 East West International Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: Jun.02.2021 Subject: Request for Confidentiality FCC ID: 2AZ8C-P4 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 1/1 C5266091_X10_Ed.2 Sincerely, Signature: Name: KAPIL THAKKAR Title: PRESIDENT 1/1

External Photos    ANT FCC ID: 2AZ8C-P4               

Model: P4 FCC ID: 2AZ8C-P4 Label Location

Internal Photos FCC ID: 2AZ8C-P4

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2ANYW-FYD-ADV Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to 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,R=20cm Test Result of RF Exposure Evaluation Tune up Produce power Maximu m peak output power (dBm) Output power to antenn a (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result W IFI 8±1 9 7.94 1.000 (0dBi) 0.00158 1 Pass

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210526031RFX TEST REPORT Compiled by: Reviewed by: Approved by: Arron Liu Bin Mei Rita Xiao / Director The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: P4 Outdoor full color LED display FCC ID: 2AZ8C-P4 Trademark: N/A Model Number: P4, P2.5, P5, P6.67, P8, P10 Prepared For: East West International Address: 5810 Hillcroft Ave. Houston, Texas 77036 USA Manufacturer: shenzhen WeiGu Electronic Technology Co.,Ltd. Address: 502, building B, No.19, yulv road section, Genyu Road, yulv community, Yutang street, Guangming District, Shenzhen, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: Floor 1&2, Building A, No. 26 of Xinhe Road, Xinqiao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong China Sample Received Date: May. 21, 2021 Sample tested Date: May. 21, 2021 to May. 26, 2021 Issue Date: May. 26, 2021 Report No.: CTB210526031RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Report Tel: 4008-707-283 Web: http://www.ctb-lab.netPage 1 of 70 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210526031RFX TABLE OF CONTENT Test Report Declaration Page 1. VERSION ...................................................................................................... 4 2. TEST SUMMARY ........................................................................................... 5 3. MEASUREMENT UNCERTAINTY .................................................................. 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................... 7 4.1 Product Information ............................................................................................. 7 4.2 Test Setup Configuration ..................................................................................... 7 4.3 Support Equipment .............................................................................................. 8 4.4 Channel List ........................................................................................................ 9 4.5 Test Mode ........................................................................................................... 9 4.6 Test Environment ................................................................................................ 9 5. TEST FACILITY AND TEST INSTRUMENT USED ........................................ 10 5.1 Test Facility ....................................................................................................... 10 5.2 Test Instrument Used ........................................................................................ 10 6. AC POWER LINE CONDUCTED EMISSION ................................................... 12 6.1 Block Diagram Of Test Setup ............................................................................ 12 6.2 Limit ................................................................................................................... 12 6.3 Test procedure .................................................................................................. 12 6.4 Test Result ........................................................................................................ 14 7. RADIATED SPURIOUS EMISSION............................................................... 16 7.1 Block Diagram Of Test Setup ............................................................................ 16 7.2 Limit ................................................................................................................... 16 7.3 Test procedure .................................................................................................. 17 7.4 Test Result ........................................................................................................ 18 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ................... 40 8.1 Block Diagram Of Test Setup ............................................................................ 40 8.2 Limit ................................................................................................................... 40 8.3 Test procedure .................................................................................................. 40 8.4 Test Result ........................................................................................................ 41 9. COUDUCTED OUTPUT POWER .................................................................. 49 9.1 Block Diagram Of Test Setup ............................................................................ 49 9.2 Limit ................................................................................................................... 49 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 70 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210526031RFX 9.3 Test procedure .................................................................................................. 49 9.4 Test Result ........................................................................................................ 50 10. 6DB OCCUPIED BANDWIDTH ..................................................................... 55 10.1 Block Diagram Of Test Setup .......................................................................... 55 10.2 Limit ................................................................................................................. 55 10.3 Test procedure ................................................................................................ 55 10.4 Test Result ............................................................................................…

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Radiated Emission Below 1G Above 1G FCC ID: 2AZ8C-P 4 Conducted Emission