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Module COMX Cat1

SKU:M031-H

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Description

Module COMX Cat1 is an LTE CAT1 data communication module, equipped with the SIM-A7680C module that supports LTE CAT1 frequency bands in China, and supports LTE-TDD/LTE-FDD wireless communication standards. The module integrates an SMA external antenna interface to ensure communication quality and signal stability. It also includes a DC 5 ~ 12V power input interface, providing more power supply options. Compatible with the M5Stack stacking system, it can be stacked with other modules in the series for functional expansion. Compared to NB-IoT, CAT1 offers stronger data transmission capabilities, with a maximum downlink rate of 10Mbps (uplink) / 5Mbps (downlink). This module is ideal for applications requiring data transmission rates, such as remote control and data passthrough.

Features

  • SIM-A7680C
    • Supports CAT1 frequency bands in China
    • LTE CAT1 module, supports LTE-TDD/LTE-FDD wireless communication standards
    • Maximum downlink rate of 10Mbps / maximum uplink rate of 5Mbps
    • UART interface / AT command control
    • Nano SIM card slot
  • Module interfaces:
    • 1 x DC 5/12V POWER INPUT
    • SMA antenna interface
    • Base integrated with a DIP switch for communication pin switching
  • 5 x 5cm size, compatible with M5Stack stacking system
  • Development platforms:

Includes

  • 1 x Module COMX Cat1
  • 1 x SMA antenna

Applications

  • Remote control / data collection
  • Cloud data applications

Certifications

SIM-A7680C Module Certification

  • 3C/SRRC/NAL/RoHS/REACH

Specifications

Specification Parameters
Communication Module SIM-A7680C
Uplink/Downlink Speed Maximum downlink rate 10Mbps / Maximum uplink rate 5Mbps
Supported CAT1 Bands LTE-TDD: B34/B38/B39/B40/B41
LTE-FDD: B1/B3/B5/B8
Network Protocols TCP/IP/IPV4/IPV6/MultiPDP/FTP/HTTP/DNS/RNDIS/ECM/PPP/TLS/LBS/TTS/MQTT/WiFi Scan
Communication Method UART 115200bps 8N1
SIM Card Slot Nano
Power Input MBUS(5V) / DC INPUT(5V/12V)
Net Weight 28.6g
Gross Weight 78.0g
Product Dimensions 54.2 x 54.2 x 13.2mm
Package Dimensions 165 x 60 x 36mm

Learn

Power Supply Switching
The module base has a DC power input interface. When using this interface to connect power, strictly adhere to the input range (5-12V) to prevent module damage. The internal power DIP switch can adjust the voltage level of the internal VIN terminal to adapt to different modules.

Schematics

Module COMX Baseboard Schematic

PinMap

Adjust the DIP switch to the corresponding pins based on different host requirements.
Controller CoreS3 Core2 Core
RXD 17/0/7 14/0/19 17/0/13
TXD 18/1/13 13/33/2 16/5/15

Datasheets

Softwares

Arduino

UiFlow1