M5Stack IoT Base with CAT-M Module

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Product Link

M5Stack IoT Base with CAT-M Modulehttps://x.com/openelabio

Description

IoT BASE Cat-M is a functional base designed for IoT data transmission. The internal 'SIM7080G' module supports both 'CAT-M' and 'NB-IoT' modes with global coverage. This functional base includes I2C + UART + GPIO + RS485 + Battery-power ports, with rich expansion options. As well to support common industrial protocols such as Modbus. Suitable for remote control, remote monitoring, remote medical applications.

Features

• Module Solution: SIM7080G

• Cat-M & NB-IoT modes with Global Coverage

• UART interface/ AT command control

• Global version/ multi-band support

• Card slot: MicroSIM

• Antenna: external SMA antenna

• Module certifications: Softbank/Telec/RoHS/REACH/JATE/Docomo/KDDI/RCM/CE(RED)/GCF

• Deutsche Telekom/FCC/PTCRB/AT&T/Verizon/T-Mobile/US Cellular/IC

• IoT Base expansion ports:

  • 1x PWR485 (RS485 + DC12V INPUT)

  • 1x DC power jack

  • 1x I2C

  • 1x GPIO

  • 1x UART

  • 1x Battery Expansion Interface

Applications

• Remote Control/Data Collection

• Data transmission

Specifications

Specifications	Parameters
Communication module	SIM7080G, communication interface: UART baud 115200 8N1
Support CAT-M band	B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26 /B27/B28/B66/B85
Support CAT-NB frequency band	B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B28 /B66/B71/B85
Cat-M uplink and downlink speed	Uplink: 1119Kbps Downlink: 589Kbps
NB-IoT uplink and downlink speed	Uplink: 150Kbps Downlink: 136Kbps
RF Power Class	Class 5 (Typ. 21dbm)
Card slot specifications	MicroSIM
Support protocol:	TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT and other communication protocols
Working current	42mA (DC interface 12V input, when the device is connected to the network)
Interface specifications	I2C/GPIO/UART(HY2.0-4P) RS485(VH-3.96-4P) DC interface (round hole DC-IN-TH_DC-0440-2.5A-2.0) Lithium battery interface (VH-3.96-2P)
Net weight (module)	29.4g
Gross weight	153.6g
Product size	80 * 54 * 33mm
Packing size	98 * 106 * 57mm

PinMap

• SIM7080G

M5Core	G0	G35	G12	5V	GND
SIM7080G	RX	TX	PWR	VCC	GND

• RS485

CORE	G15	G13	5V	GND
RS485	TX	RX	VIN	GND

• HY2.0-4P

M5Core	G21	G22	5V	GND
I2C PORT	SDA	SCL	VCC	GND

M5Core	G36	G26	5V	GND
GPIO PORT	ADC	DAC	VCC	GND

M5Core	G17	G16	5V	GND
UART PORT	TX	RX	VCC	GND

Schematics