2.4G Communication Device
The 2.4G Communication Information Machine is a smart terminal product based on the ARM CorTex™-M4 Core CPU platform. It is designed to address the limitations of close-range card swiping attendance in campuses. By cooperating with the 2.4G long-range identifier, it can achieve long-range non-intrusive attendance.
Product Functions:
- Metal casing design;
- 128x32 monochrome LCD display;
- ARM CorTex™-M4 Core CPU with a clock speed of 180MHz;
- Built-in SRAM, with 256KB+8G storage space;
- 4 RS-485 interfaces;
- Ethernet interface, LTE full network communication module, 3G/4G communication module;
- Built-in 1100mAh polymer lithium-ion battery (optional);
- Visible working status indicators on the casing display system operation, network access, reader data, communication status, and data interaction with the platform, all with clear labels.
Product Features:
- Integrated design for easy installation;
- LCD screen, indicator lights, intuitive status judgment;
- Fast data acquisition speed and reliable data transmission;
- Intelligent access judgment algorithm, directly transmitting results to the platform.
Product Specifications:
Name | Technical Specifications |
Entity Size | 230mm*140mm*35mm |
Color | Black, Blue |
Display | LCD module, resolution 128×32, monochromatic |
LED Indicators | Power, SYS, NET, 4G/Eth, RS-485, RS-232 interface indicators |
Communication Method | TCP/IP, 4G standards: TDD-LTE\FDD-LTE (backward compatible with 3G, 2G) |
External Interfaces | 4 RS-485 interfaces, 1 RS-232 interface, 1 Ethernet interface |
Battery | 1100mAh/7.4V polymer lithium-ion battery (optional) |
Operating Voltage | 12V~18V |
CPU | ARM Cortex™ core professional data processing chip |
FLASH | 1MB |