M5Stack® COM.GSM Module SIM800C Bulid-in 2G Communication Module ESP32 Stackable Module with SMA Antenna

Description COM X GSM is a stackable 2G communication module with the SIM800C communication module built in The working frequency of COM X 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 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 to85°C Frequency band Quad band 850 900 1800 1900MHz GPRS multi slot class 12 10 GPRS mobile station class B data transmission GPRS 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 Package Included 1x COM X GSM module 1x SMA antennaApplicati