Product details
Specifications:
- Chip: SIM800L
- Voltage: 3.7-4.2V
- Support networks: China Mobile, China Unicom and global quad-band network
- Module size: 2.5cmx2.3cm
- TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
- Power module automatically boot, homing network
- Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal
- Suitable for xDrip Parakeet project
- Caution! : This module itself uses input voltage of 3.7V – 4.2V. Therefore, if you directly connect the Vcc pin to Arduino 5V pin, it might damage the module as well.
Features:
- Connect onto any global GSM network with any 2G SIM (in the USA, T- Mobile is suggested).
- Make and receive voice calls using a headset or an external
- 8 speaker and electret microphone.
- Send and receive SMS messages.
- Send and receive GPRS data (TCP/IP, HTTP, etc.) .
- Lead out buzzer and vibrational motor control port.
