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Product description: GSM/2G module SIM800L with microphone and 3.5 mm jack connector - module for M5Stack
IntegratedGSMmodule based onSIM800Lchip. Compatible only with2Gnetwork andM5Stackseries main modules. For communication with the developer module it usesUARTcommunication interface andATcommands. It enables integration of the project with the module by means ofvoice calls,textandSMSmessages. It can be used for automatic SMS notification in the Web as well as as a remote meter reading system.
Integrated GSM module based on SIM800L chip.
Internal construction of the module with spring antenna, microphone and 3.5 mm jack connector.
Suggested application
- Nitrogen dioxide alarm
- Automatic notification of SMS messages on the Web
- Remote meter reading system
Technical specification of the module
- Audio input: 3.5 mm jack
- Microphone: MIC (default OFF*)
- Supply voltage: 3.8 V to 4.2 V
- Recommended supply voltage: 4 V
- Power consumption:
- Sleep mode: < 2 mA
- Idle mode: < 7 mA
- GSM transmission (mean): 350 mA
- GSM transmission (momentary): 2000 mA
- Communication interface: UART (max. 2.8 V) and AT commands
- SIM card slot: microSIM
- Frequencies supported: 850 MHz / 950 MHz / 1800 MHz / 1900 MHz
- Antenna connector: IPX
- Spring antenna: built-in
- Status indication: LED
- Operating temperature: - 40°C to 85°C
- Dimensions: 54.2 x 54.2 x 12.8 mm
- Weight: 17 g
* To switch on the MIC, a 0 ohm resistor must be connected in place of the MIC-EN
