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Gravity: Air780EU 4G CAT1 Communication Module

SKU: TEL0177

The Gravity: Air780EU 4G CAT1 Communication Module is designed for efficient IoT project development across regions including Europe, the Middle East, and Africa. It operates in multiple LTE-FDD frequency bands, supports high communication rates, and integrates various network protocols, simplifying data transmission via serial port programming. Its low power consumption mode ensures long-lasting battery life, making it ideal for power-sensitive applications. With built-in USB network card functionality and compatibility with multiple development boards, the Air780EU facilitates rapid addition of 4G capabilities to IoT projects, enhancing connectivity and development speed.

Board Overview of Gravity: Air780EU 4G CAT1 Communication Module

Downloadable Resources

  • Docs
  • Tech Specs

    • 1. AT Command Handbook

    The AT Command Handbook serves as a detailed guide on AT commands for querying device details, managing SIM cards, and setting up MQTT connections, vital for optimizing module performance.

    2. Usage Example for Raspberry Pi - Using 4G Module as Network Card

    This article offers a comprehensive guide on using a 4G module as a network card for Raspberry Pi, detailing hardware requirements and operation steps to configure the Raspberry Pi for internet access.

    3. Usage Example for Easy IoT Platform - MQTT Communication

    This article is a detailed guide on how to use AT commands to establish MQTT connections through devices like the Air780EU module. It covers hardware setup, command usage, and step-by-step operations for sending messages to servers, providing valuable insights for IoT enthusiasts and developers.

    Specification

    Parameter Details
    Applicable regions Europe, the Middle East, Russia, Thailand, Africa, and other regions.
    Supported bands LTE-FDD B1/B3/B7/B8/B20/B28
    Supported protocols TCP/UDP/PPP/HTTP/NITZ/NDIS/NTP/HTTPS/MQTT
    Speed 10Mbps (downlink) / 5Mbps (uplink)
    Low power consumption As low as 0.6mA in sleep mode, supports UART serial data wake-up and periodic interrupt wake-up
    Development mode AT commands
    Communication interface UART (PH2.0-4P Gravity interface)
    SIM card slot Nano SIM card
    Voltage compatibility 3.3V/5V
    Antenna interface SMA female connector (external thread, internal pin)
    Antenna specifications 4G/LTE 50mm elbow rubber stick antenna, SMA-J interface (SMA internal thread, internal pin)
    Power supply voltage - USB port: 5V
    - Terminal block: 5V-12V (recommended for long-term deployment)
    - UART interface: 3.3V-5V (this interface has lower power and may not ensure normal communication, only for testing)
    Operating Temperature -40°C ~ 85°C
    PCB size 42mm×37mm

    Pinout

    • Functional Diagram:

    TEL0177-Functional Diagram

    • Interface Description:
    Interface Name Description
    ANT Primary antenna interface, connects to GSM antenna
    UART UART interface (interface level 3.3V-5V)
    USB-typec USB device interface for communication and parameter setting with computer
    Power IN External 5V-12V power supply is required when using UART interface
    NanoSIM Card Insert SIM card

    Precautions:

    1. External 5V-12V power supply is required when the module uses PH2.0 socket for serial communication
    2. Net - Network signal indicator light
    • Blue light on for 0.2 seconds, off for 1.8 seconds: searching for network
    • Blue light on for 1.8 seconds, off for 0.2 seconds: standby state
    • Blue light on for 0.125 seconds, off for 0.125 seconds: data transmission state

    Note: This status prompt only applies to successful PPP dialing or AT command active PDP activation, successful RNDIS networking

    1. Short-term output of log information and debugging information during boot process

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