23.6 Inch Wall Mounted Online Teaching Education Interactive Whiteboard

Guangzhou longqishi Electronic Technology Co., Ltd., as one of the early domestic manufacturers engaged in commercial touch display equipment, has developed into a high-tech enterprise integrating R & D, production, sales and service after years of development. In Panyu District of Guangzhou, the company has a complete set of flexible production lines covering product design, sheet metal processing and finished product assembly. It can meet the needs of customers in large-scale production, OEM / ODM OEM cooperation, and strive to build a brand model of business display industry.

Product advantages:

Electronic class card is the basis of digital campus and smart campus system. Digital campus is built on the basis of the network. It uses advanced information means and tools to realize the digitalization of environment, resources and activities. A digital space is built on the basis of traditional campus to expand the time and space dimension of the real campus, improve the efficiency of traditional campus, expand the functions of traditional campus, and finally realize the comprehensive informatization of education process, So as to improve the level and efficiency of education management. Digital campus is a concept that develops with the change of technology application. It is the product of the development of school education informatization to a certain stage, and the inevitable result of transforming and upgrading the traditional campus through technical means.
Smart class card system is an intelligent interactive terminal, which is based on Internet of things technology. It integrates intelligent teaching, student attendance, information release and interaction between teachers and parents, as well as parents and students. It is also one of the data collection tools of smart platform.
Campus digital intelligent electronic class card (smart class card) is one of the systems of campus culture construction and digital construction. Each classroom is equipped with a front-end class card integrated machine, which is generally installed at the door of the classroom or in the classroom, and is mostly used to display class information, current course information, class activity information and school notice information. The information content includes text, pictures, multimedia content, flash, etc., which provides a new platform for students and teachers to communicate with each other and provide campus service.
The E-Class signs strive to create a campus information release window, a class culture construction window, and a classroom teaching feedback window. We should give full play to the role of moral education in the construction of class culture. At the same time, we should give full play to the radiation and penetration of electronic class cards, replace the functions of blackboard newspaper in some classes, apply and popularize scientific knowledge, broaden students' horizons, and improve students' management ability, inquiry ability and information literacy.
Electronic class card network topology seamless link transmission of campus information, electronic class card as a class culture display and exchange window can be like an open window, let more people see the class style, campus information construction combined, timely transmission of campus information. Students can also see the recent important events released by the school through the electronic class board, and can also participate in the reply, so that students can timely grasp the campus and class dynamics. At the same time, it also publishes the current curriculum information, class activity information and school notice information.
The electronic class card is not only a display platform, but also a communication link between teachers and students. In the past, teachers told students to listen. However, it is difficult for students to give timely feedback on their understanding of classroom teaching. The electronic class card has the function of classroom teaching feedback. Students can give feedback in time and give class feedback to the courses they have. Teachers can understand the feedback in time and adjust the teaching rhythm. Class transparent management, electronic class card has high-definition, interactive data sharing applications, data real-time transmission to the campus and parents mobile phone. Teachers can also log in quickly, with clear authority, combined with attendance, sign in. The functions of electronic class card, general branch school management and other functions are also based on hierarchical authority management, to achieve self-management of class teachers and students, or unified management of the school.

Product parameters:

LED panel size 21.5 "

Resolution: 1920 * 1080 (RGB)

Screen aspect ratio: 16:9

Brightness (standard value) 300 CD / m2

Contrast: 1000:1

Display size (mm) 476.64 (H) × 268.11 (V)

Visual angle

Response time (gray scale) 6ms

Touch screen G + G capacitive 10 point touch

Transmittance: 98%

The interpolation resolution is 32768 * 32768

Single touch life is more than 50 million times

Touch response time ≤ 8ms

Touch media, fingers, soft rubber pen and other opaque objects

Surface hardness: Mohs grade 7

Main board configuration: CPU rk3288, four core arm-a17, 1.8GHz

GPU Mali-T764

Running memory DDR3 2G

Storage of 16GB NAND flash

External interface HDMI / USB / LAN / audio

USB - 5 host USB, 1 OTG USB

Serial port: three TTL level serial ports and one debugging serial port

Network Ethernet, WiFi

System Android 7.1

Card reader type serial port

Card support: Mifare (1K / 4K); NXP S50, NXP S70, Fudan micro f08

Support agreements: 14443a, 15693, 14443a & 15693

Read time < 100ms, read card speed 0.2S

Card reading distance: 0 ~ 80mm (recognition distance of different cards is different)

Camera pixel: 200W 1080p

Power consumption 36W (max)

Horn 2 * 5W

Power management ac 220 V ~ 50 Hz

Operating environment working temperature - 10 ℃ ~ 60 ℃

Humidity: 10 ~ 80%

Machine parameter weight is about 10 kg

Installation method: wall bracket installation

1 year warranty

Quality certificate of accompanying accessories and warranty card