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
Parameter | Performance |
Sensor | CMOS |
Scan Mode | 640*480 |
Lighting | It is recommended to use white light as lighting, should be uniform
and soft |
Indicator Light | It is recommended to use green/blue light as read successfully |
Read Code Type | 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) |
2D: QRCode, DataMatrix, PDF417 |
GM802-S Reading Distance | 5-30cm |
GM802-L Reading Distance | 7-50cm |
Contrast* | >25% |
Scan Angle** | Roll:360°Pitch:65°Yaw:65° |
Viewing Angle | 67°(Horizontal)53°(Vertical) |
Accuracy of reading* | ≥10mil |
Mechanical/electrical Parameters:Parameter | Performance |
Interface | TTL-232/USB |
Size(mm) | 18*12.5mm |
Weight | 1 g |
Prompting mode | Buzzer LED Indicator |
Operating Voltage | 3.3V |
Operation Current | 70mA(Max) |
Standby Current | ≤6mA(Typical) |
Startup time | ≤250mS (Typical) |
Environmental Parameters:
Parameter | Performance |
Operatingtemperature | -20ºC~60ºC |
Storage Temperature | -40ºC~+70ºC |
Operating Humidity | 5%~95%(Non-Condensing) |
Environmental Light | Normal indoor light source |
Fall | Withstand 1.2 m drop on concrete floor (50 times 1.2 m drop on
concrete floor repeatedly) |
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.