Elfin-EG40B&Elfin-EG41B&Elfin-EG42B

  • Product Code: Elfin-EG40B&Elfin-EG41B&Elfin-EG42B
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Product Overview

  • Elfin-EG4XB is a full network 4G DTU that supports 4G networks of China Mobile, China Unicom, and China Telecom (not 3G). The network supports a maximum downlink speed of 10Mbps and a maximum uplink speed of 5Mbps.
  • Elfin-EG4XB has multiple sub models and supports different 4G frequency bands, making it suitable for different countries and regions.
  • Elfin-EG4XB is equipped with rich network protocols and integrates RS232/RS485/TTL standard data transmission interfaces, without the need for any drivers, making it convenient for traditional serial devices to connect to the internet. It can almost meet all the needs of M2M, including car and personal tracking services, wireless POS machines, smart metering, industrial grade PDAs, shared bicycles, shared cars, and other M2M applications.

Product Features

  • Support Bluetooth configuration parameters and data transparent transmission
  • Support local Bluetooth mini program to read and write configuration parameters
  • Supports multiple network communication protocols such as TCP/UDP/MQTT/WebSocket/HTTP
  • Supports RS485/RS232/TTL to 4G&BLE data transmission, with a maximum serial port speed of 460800bps
  • Supports up to 3 TCP/UDP connections, with each connection supporting 1400 bytes of data cache
  • Support Hanfeng Industrial Control Cloud IOTBridge, which can remotely manage and configure parameters through the network.
  • Support SMS AT command configuration function
  • Support registration package (registration package content, sending method), heartbeat package (heartbeat package content, sending method, sending interval time) functions, registration package supports combinations of ICCID, IMEI, IMSI, software version number, cellular network connection status, etc.
  • Supports Modbus TCP to Modbus RTU conversion
  • Support serial port, network OTA wireless firmware upgrade
  • Supports Modbus TCP to Modbus RTU conversion
  • Wide power supply 9-36V power supply
  • Size: 68.5 x 35 x 17.8mm

Wireless Standard BLE 5.0
Frequency Range 2.402GHz-2480GHz
Transmit Power Max 15dBm
Receiver Sensitivity -97dBm
Processor Cortex-M3
Basic Frequency 96MHz
Operating System FreeRTOS
Protection 8KV Isolation
Transmit Power LTE-TDD: Class 3(23dBm+1/-3dB) LTE-FDD: Class 3(23dBm±2dB) WCDMA: Class 3(24dBm+1/-3dB) TD-SCDMA: Class 3(24dBm+1/-3dB) GSM900: Class 4(33dBm±3dB) DCS1800: Class 1(30dBm±3dB) GSM900 8-PSK: Class E2(27dBm±3dB) DCS1800 8-PSK: Class E2(26dBm±3dB)
Receive Sensitivity FDD B1: -96dBm(10M) FDD B3: -96dBm(10M) FDD B5: -96dBm(10M) FDD B8: -96.5dBm(10M) TDD B38: -96dBm(10M) TDD B39: -97dBm(10M) TDD B40: -96.5dBm(10M) TDD B41: -96dBm(10M) WCDMA B1: -110dBm WCDMA B8: -111dBm TDSCDMA B34: -109dBm TDSCDMA B39: -109dBm GSM 900M: -109dBm GSM 1800M: -109dBm
Port Number 1
Interface Standard RS232 RS485 TTL
Stop Bit 1,2
Check Bit None,Even,Odd
Baud Rate TTL：1200 bps~460800 bps
Flow Control No Flow control Half-Duplex(RS485) Hardware RTS/CTS、DSR/DTR(RS232)
Size 95mm x 65mm x 25mm
Input Voltage 9～36VDC
Warranty 1 years
Work Temp. -40 ~ 85°C
Storage Temp. -45 ~ 85°C
User Guide
4G_2G_NB DTU Products Functions _V2.1_20241127 [ Download Times: 7674,  Date Update: 2025-09-02 11:19:52 ]
4G_2G_NB Products Operation Guide_20241127 [ Download Times: 8780,  Date Update: 2024-11-27 13:53:05 ]
Elfin-EG4XB_User ManualV1.1(20250715) [ Download Times: 328,  Date Update: 2025-07-25 09:38:48 ]