GW102 Development Manual

Hardware Resources

Hardware Features

  • PaiTuCore i2S-6UB series embedded computing core board

    • Processor: Single-core ARM® Cortex®-A7 core, operating frequency up to 800 MHz
    • Memory: 512 MByte 16-bit DDR3L
    • Storage: 8-bit eMMC Flash, capacity 4 GB

  • 2 10/100M Ethernet ports (RJ45 socket), auto-adaptive MDI/MDIX

  • Serial communication interfaces

    • 1 RS232 serial port, optionally configured as a debug serial port or communication serial port, terminal block
    • 2 RS485 serial ports, built-in 15KV ESD protection, electrical isolation, terminal block

  • 2 LED indicators: "PWR" and "RUN"

  • Supports WiFi network, uses standard SMA antenna interface (inner hole, external thread)

  • Supports 4G network, uses standard SMA antenna interface (inner hole, external thread), card slot is Micro SIM

    • Antenna specifications: suction cup antenna, gain 5dBi, inner pin
    • Antenna dimensions: height 317mm, suction cup diameter 30mm, feeder length 100cm
    • Antenna frequency bands: 698960MHz, 17102700MHz

  • Supports LoRa communication, uses standard SMA antenna interface (inner hole, external thread)

  • Supports DC 9 ~ 24V wide-voltage input

  • Supports one USB Host interface

  • Built-in RTC chip

  • Built-in external watchdog design to ensure system stability

  • PCB dimensions (W x L x H): 53 x 140 x 119.5 mm

  • Industrial temperature range (-40°C - 85°C); WiFi module is commercial grade

Hardware Block Diagram

Functional Block Diagram

The GW102 gateway is designed using our company's i2S-6UB core board module, with rich peripheral interfaces and internal resources. The functional block diagram is as follows:

Functional block diagram description

  • Green boxes are communication interfaces
  • Red boxes are optional functions

Interface Description

Front interface physical diagram

Left side interface physical diagram

Right side interface physical diagram

Internal interface diagram

For more detailed information about the core board, please refer to: i2X-6UB Development Board

Interface Functions

Interface Description
Power interface DC 9 ~ 24V input
TTL debug serial port Used for Linux system debugging and maintenance management
Indicator lights Two indicator lights, one power indicator, one system running status light
Ethernet port Dual 10/100Mbps Ethernet, standard RJ45 socket
USB interface One USB 2.0 Host Type-A interface
Communication serial port One RS232 serial port, two RS485 serial ports
LoRa antenna interface SMA interface
WiFi antenna interface SMA interface
4G antenna interface SMA interface
Boot device jumper Select the system boot device; supports NAND Flash, eMMC Flash, and SD card
GPIO button Developers can customize functions
Micro SD card interface One Micro SD card interface, up to 32GB storage expansion
Micro SIM card interface One Micro SIM card interface

Power Supply Parameters

  • Standard power supply: DC 12V/1.5A
  • Supported power supply range: DC 9~24V

Power Consumption

Test item Average power consumption Description
Wireless functions disabled, system standby 12V/95mA 4G, LoRaWAN and WiFi functions disabled
Wireless functions enabled, system standby 12V/200mA 4G, LoRaWAN and WiFi functions enabled
System standby with only 4G enabled 12V/110mA LoRaWAN and WiFi functions disabled. 4G function enabled
System standby with only LoRa enabled (sx1302 chip solution) 12V/110mA 4G and WiFi functions disabled.
System standby with only dual Ethernet ports connected 12V/150mA LoRaWAN, 4G and WiFi functions disabled; Ethernet ports use iperf3 to run at full bandwidth.

Physical Characteristics

  • Enclosure: sheet metal enclosure
  • Dimensions: 136x122x35 mm (excluding antenna and mounting parts)
  • Weight: approx. 722 g (without antenna installed)
  • Operating temperature: -35 ~ +75ºC (-31~+167℉)
  • Storage temperature: -40 ~ +85ºC (-40~+185℉)
  • Relative humidity: 95% (non-condensing)