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M5Stack COM.GSM 2G Communication Module(SIM800C)

MCBM5PCS800C
€18.75

Description

COM GSM is a stackable 2G communication module, with the SIM800C communication module built-in. The working frequency of COM GSM is GSM/GPRS 850/900/1800/1900MHz,and it can transmit SMS and data information with low power consumption. The module has a DC power input and can provide 5V-12V power supply through an external power supply. In order to facilitate the user to configure the pins, the DIP switch is used to set the pins. This module is especially suitable for remote meter reading, smart wearables, smart parking, municipal management and other IoT industries with ultra-low power consumption and small size as the core requirements.

Notice

When used with the FIRE main control, due to the PSRAM pin conflict, please switch the DIP switch pins of the module base to TX(0/13), RX(5/15), and the device can use USB/ External DC is used for power supply.

When used with Core2 series main control, due to the different order of the base pin array, COM.X base pins TX(16), RX(17) correspond to the actual pins TX(14), RX of the Core2 main control (13) The equipment needs to use external DC for power supply.

Note: When using the CORE2 or CORE2-FOR-AWS main control to drive the module, please use the DC power input of the base and set the power mode to input mode (refer to the code below), otherwise it will not start normally

//mbus_mode_t:
//kMBusModeOutput: Use USB or battery power
//kMBusModeInput: Use external power supply 5V, or DC interface

M5.begin(true, true, true, false, kMBusModeInput);

//Initialize Serial according to the actual connected pins
Serial2.begin(115200, SERIAL_8N1, 13, 14);

The module base has a DC power input interface. Please strictly follow the input range (5-12V) to prevent damage to the module when using this interface to connect to the power supply. The internal power DIP switch can adjust the voltage level of the internal terminal VIN to adapt to different modules.

comx_dc_power.webp

Product Features

  • Stackable design

  • Support SMS text and data transmission

  • Independent external power supply

  • AT command control

  • SIM card type: MicroSIM

  • Status signal: two LED indicators (power/network status)

  • Power supply voltage: 3.4-4.4V

  • Typical power consumption in sleep mode: 0.88mA

  • External antenna: SMA antenna 2.5dBi

  • Serial communication: UART 115200bps

  • Operating temperature range: -40°C to +85°C

  • Frequency band:

    • Quad-band 850/900/1800/1900MHz
    • GPRS multi-slot class 12/10
    • GPRS mobile station class B
  • data transmission:

    • PRS class 12: Maximum 85.6 kbps (uplink/downlink rate)
      • Support PBCCH (Packet Broadcast Control Channel)
      • Coding scheme: CS 1, 2, 3, 4
      • Integrated TCP/IP TCP/IP、UDP、HTTP、FTP protocol
      • Support USSD (Unstructured Supplementary Services Data)

Include

  • 1x COM GSM module
  • 1x SMA antenna

Applications

  • Remote meter reading system
  • Automatic Web Spider SMS-notifier
  • Wireless communication

Specification

ResourcesParameter
Frequency band GSM/GPRS 850/900/1800/1900MHz
Network protocol TCP/IP/UDP/FTP/HTTP etc.
Communication UART 115200bps
Antenna Gain 2.5dB 1880-1900MHZ/2320-2370MHZ 2575-2635MHZ
DC interface specifications 5.5mm
Net Weight 40g
Gross weight 75g
Module Size 54*54*13.2mm
Package Size 165*60*36mm

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