GM802 serial have GM802-S and GM802-L model.
The only difference between the GM802-S and GM802-L is the lens.
GM802-S lens reading distance is 5-30cm.
GM802-L lens reading distance is 7-50cm.
(The actual data depends on the size and content of the code)
GM802 serial bar code reader module is a high performance scanner, can read 1D bar code easily and read 2D bar code with high speed. It also wins high scan speed for linear code, even for bar code on paper or screen.
GM802 serial bar code reader module is an advanced bar code decoding algorithm which developed on image recognition algorithm, can easily and accurately read bar code, simplify secondary development.
Specifications
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Parameter
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Performance
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Sensor
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CMOS
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Scan Mode
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640*480
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Lighting
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It is recommended to use white light as lighting, should be uniform and soft
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Indicator Light
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It is recommended to use green/blue light as read successfully
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Read Code Type
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1D: EAN-13, EAN-8, UPC-A, UPC-EISSN, ISBN, CodaBar,Code 128,
Code93, ITF-14, ITF-6, Interleaved 2 of 5,Industrial2of5,
Matrix2of5, Code 39,Code11, MSI-Plessey,GS1-Databar (RSS)
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2D: QRCode, DataMatrix, PDF417
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GM802-S
Reading Distance
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5-30cm
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GM802-L
Reading Distance
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7-50cm
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Contrast*
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>25%
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Scan Angle**
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Roll:360°Pitch:65°Yaw:65°
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Viewing Angle
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67°(Horizontal)53°(Vertical)
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Accuracy of reading*
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≥10mil
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Mechanical/electrical Parameters:
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Parameter
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Performance
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Interface
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TTL-232/USB
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Size(mm)
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18*12.5mm
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Weight
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1 g
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Prompting mode
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Buzzer LED Indicator
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Operating Voltage
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3.3V
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Operation Current
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70mA(Max)
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Standby Current
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≤6mA(Typical)
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Startup time
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≤250mS (Typical)
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Environmental Parameters:
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Parameter
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Performance
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Operatingtemperature
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-20ºC~60ºC
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Storage Temperature
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-40ºC~+70ºC
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Operating Humidity
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5%~95%(Non-Condensing)
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Environmental Light
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Normal indoor light source
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Fall
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Withstand 1.2 m drop on concrete floor (50 times 1.2 m drop on concrete floor repeatedly)
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Files
·Provide User Manual
In the "Code" World, Gate Readers Redefine the New Ecosystem of Access Control
In the current era where the digital wave is constantly advancing like a surging tide, QR code technology is like a brilliant new star shining in the technological sky. With its significant characteristics of convenience, ease of use, efficiency, speed, and low cost, it is deeply penetrating and integrating into every corner of social life with an unstoppable momentum. The gate QR code recognizer, as an outstanding application of QR code technology in the key field of access control management, is driving a profound and efficient transformation with strong driving force.
The gate QR code recognizer mainly consists of three parts: QR code scanning recognition device, control host, and cloud management platform. When the user points the QR code on their phone at the scanning device, the device will quickly read and parse the information, which is usually associated with the user's identity and permissions. The control host will compare and verify the parsing results with user information in the cloud management platform or local database. If the verification is successful, the control gate will be opened for release. If it fails, it will remain closed and may issue a warning.
This technology has brought many significant advantages. In terms of efficiency and convenience, users do not need to carry additional access cards or keys, and can quickly pass through with only the QR code on their mobile phones, greatly reducing the waiting time for personnel to enter and exit. At large transportation hubs such as subway stations, passengers only need to enter their facial information on the app (some systems support dual-mode communication of facial and QR code, and independent verification of QR code is still efficient). When entering the station, they can align their face with the facial recognition device or directly display the QR code. Within one second, the information matching can be completed and the gate can be opened for release, effectively alleviating the passenger flow pressure during peak travel.
Safe and reliable is another highlight of the gate QR code recognizer. QR codes have uniqueness and timeliness, which can effectively prevent forgery and replication. At the same time, the system supports multiple encryption and verification mechanisms to ensure the security of data transmission and storage. For example, the QR code access control system can generate dynamic and static QR codes for users to choose from, and each entry and exit record will be effectively recorded in the database. By setting access permissions for different users, the security factor is greatly improved.
Its flexibility and scalability are also commendable. The system supports multiple door opening methods and application scenarios, and can be flexibly configured and expanded according to actual needs. Through the cloud management platform, administrators can remotely monitor and manage the entire system anytime, anywhere, covering user information management, permission settings, data statistics, and more. In office buildings, residential areas, and other places, the gate QR code recognizer can be linked with elevator control and access control systems to achieve one code access and improve the level of intelligent management.
The gate QR code recognizer has a wide range of applications in many fields. In transportation hubs, airports, high-speed rail stations, subway stations, and other places, it has become an important transportation device. Passengers can quickly scan the boarding code through the mobile app to pass through the gate, achieving contactless boarding, improving traffic efficiency, and facilitating epidemic prevention and control. In office and commercial buildings, it is used to control employee access and visitor management. Employees can obtain exclusive QR codes through mobile apps or mini programs, and visitors can enter the building at designated times through a reservation system to generate temporary QR codes. This not only ensures the safety and order of the office environment, but also enhances the visitor experience.
Looking ahead to the future, the QR code recognizer for gate machines has broad development prospects. Technological innovation and upgrading will continue to advance. With the development of technologies such as artificial intelligence, the Internet of Things, and computer vision, more new elements will be integrated to achieve functional upgrades and performance improvements. For example, deep learning algorithms will be used to improve the accuracy and speed of QR code recognition, remote monitoring and management of devices will be achieved through integration with Internet of Things technology, and dual-mode communication of face recognition and QR code recognition will be achieved through integration with computer vision technology. The application scenarios will also continue to expand, penetrating from existing fields such as transportation, office, and residential areas to more industries such as healthcare, logistics, and agriculture. At the same time, it will become more intelligent and integrated, linking with other intelligent devices to achieve more functional integration. Through big data analysis and artificial intelligence technology, it will deeply mine and analyze traffic data, providing data support for management decisions. In addition, standardization and normalization will also become an important trend. Relevant departments will develop unified technical standards and specifications to ensure equipment compatibility and interoperability, strengthen supervision of product quality, and safeguard the legitimate rights and interests of users.
The gate QR code recognizer is playing an important role in multiple fields with its unique advantages, promoting the intelligent transformation of access control management. In the future, with the continuous development of technology and the expansion of application scenarios, it will undoubtedly bring more convenience to people's lives and work, and create a better digital life.
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