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Ebyte Multi-mode GNSS Positioning Wireless Modules with Modbus Protocol and Interface

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Ebyte Multi-Mode GNSS Wireless Positioning Modules and Industrial Communication Devices with Modbus Protocol and Interfaces

Industrial Solutions for Multi-System Satellite Positioning and Serial Data Transmission in IoT Applications.

Ebyte multi-mode GNSS wireless positioning modules and industrial communication devices are designed for monitoring, telemetry, and IoT systems that require precise satellite positioning or serial data transmission to remote networks.

Depending on the model, the devices may integrate BDS, GPS, GLONASS, and GALILEO positioning systems, as well as industrial communication through RS232 or RS485 interfaces with Modbus RTU protocol. Some variants support GNSS data output in NMEA0183-compatible format, while others integrate 4G CAT1 connectivity for transparent transmission between serial devices and network servers.

Key Features

• Compatibility with multiple GNSS systems: BDS, GPS, GLONASS, and GALILEO (model dependent).
• Industrial communication via RS232 or RS485 interfaces.
• Modbus RTU protocol support for integration with PLCs and control systems.
• GNSS data output compatible with NMEA0183 format (variant dependent).
• Configurable communication speed up to 115200bps.
• GNSS update rate from 1Hz up to 25Hz (model dependent).
• Horizontal positioning accuracy up to 1.5m (model dependent).
• Wide DC power supply range for industrial environments.
• DIN rail installation with Phoenix-type terminal.
• Triple protection coating: anti-mold, moisture-resistant, and anti-salt spray.
• Compact design for integration into automation and IoT projects.

• Specifications
• In the Box
• Optional Items

• General Specifications

  Device Type	Multi-Mode GNSS Modules / 4G Industrial Communication Device
  Supported Positioning Systems	BDS / GPS / GLONASS / GALILEO (model dependent)
  Communication Interface	RS232 / RS485
  Communication Protocol	Modbus RTU / Transparent 4G CAT1 Transmission (model dependent)
  GNSS Output Format	NMEA0183 Compatible (GNSS models)
  Communication Speed	1200 ~ 115200 bps
  GNSS Update Rate	1Hz ~ 25Hz (model dependent)
  Horizontal Accuracy	<2.5m / Up to 1.5m (model dependent)
  Operating Voltage	DC 5~24V / DC 8~28V (model dependent)
  Approximate Dimensions	103×28×28.5mm (4.06×1.10×1.12in) / 102×28×27mm (4.02×1.10×1.06in)
  Approximate Weight	32±5g (0.07lb) / 40g (0.09lb)
  Operating Temperature	-40℃ ~ +85℃ (model dependent)
  Operating Humidity	5% ~ 95% RH Non-Condensing
  Installation Method	DIN Rail Mounting + Positioning Holes
  Environmental Protection	Triple Protection Coating (Anti-Mold, Moisture-Resistant, Anti-Salt Spray)

  
  

  Reference	Device Type	Main Function	Satellite Systems	Interface	Protocol	Voltage	Update Rate	Accuracy	Sensitivity	Dimensions	Weight
  EWD108-GN02(232)	GNSS Module	GNSS Positioning	BDS/GPS	RS232	Modbus RTU	5V~24V DC	1Hz~10Hz	<2.5m	-160dBm	103×28×28.5mm (4.06×1.10×1.12in)	32±5g (0.07lb)
  EWD108-GN03(232)	GNSS Module	GNSS Positioning	BDS/GPS/GLONASS	RS232	Modbus RTU	5V~24V DC	1Hz~10Hz	<2.5m	-162dBm	103×28×28.5mm (4.06×1.10×1.12in)	32±5g (0.07lb)
  EWD108-GN04(485)	GNSS Module	GNSS Positioning	BDS/GPS/GLONASS/GALILEO	RS485	Modbus RTU	5V~24V DC	1Hz~25Hz	1.5m	-167dBm	103×28×28.5mm (4.06×1.10×1.12in)	32±5g (0.07lb)
  E840-DTU(EC05-485)	4G DTU	Serial to 4G Network Transmission	Not Applicable	RS485	Transparent 4G CAT1	8V~28V DC	Not Applicable	Not Applicable	Not Applicable	102×28×27mm (4.02×1.10×1.06in)	40g (0.09lb)

• • 1x Ebyte Multi-Mode GNSS Wireless Positioning Module.
• • Compatible external GNSS antenna (model dependent).
  • 4G LTE antenna (for E840-DTU reference).
  • Compatible DC power supply.
  • RS232 cable or industrial RS485 wiring.
  • USB to RS232/RS485 adapter for configuration.
  • SIM card with data plan (4G model).
  • PLC or SCADA system compatible with Modbus RTU.
  • Additional industrial enclosure.
  • DIN rail (if not installed).
  • Compatible configuration software.

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