HLK-GD01 4G + Wi-Fi IoT Communication Module – MT7688A/MT7628N + EC20, OpenWRT, Dual Antenna

Hi-Link Electronics

HLK-GD01 4G + Wi-Fi IoT Communication Module – MT7688A/MT7628N + EC20, OpenWRT, Dual Antenna

Description:
The HLK-GD01 is a high-performance 4G and Wi-Fi communication module designed for industrial IoT, smart gateways, and wireless data transmission. It integrates MT7688A/MT7628N Wi-Fi SoC with the Quectel EC20 4G LTE module, supporting both 2.4GHz Wi-Fi and 4G cellular connectivity. Running on OpenWRT firmware, the HLK-GD01 enables flexible network routing, remote monitoring, and reliable data communication.

Key Features:

  • Processor: MT7688A / MT7628N + EC20

  • Architecture: MIPS® 24KEc™ @ 580MHz

  • Memory: 128MB RAM / 32MB Flash

  • Operating System: OpenWRT

  • Interfaces: 1× Serial Port, Nano SIM Tray Card Slot

  • Network: 2.4GHz Wi-Fi + 4G LTE

  • Antenna: 1× 2.4G antenna + 1× 4G antenna

  • Ethernet: 10/100Mbps ×2 (expandable up to 5 ports)

  • Power Supply: DC 5V ±0.2V, 480mA

  • Package: 1.27mm dual motherboard + 1.5mm terminals

  • Dimensions: 50 × 50 × 10.2 mm

Applications:

  • IoT Gateways and Edge Devices

  • Industrial Data Transmission

  • Smart Home and Security Systems

  • Remote Monitoring and Control