T-Call

ESP32 Wireless Module SIM Antenna WiFi Bluetooth Development Expand Board Devkit for Arduino

Specifications For SIM800

MCU	ESP32
GSM/GPRS	SIM800
SIM Nano Card Slot	Yes [2G]
ESP32
Clock Speed	240Mhz
Flash	4MB/8MB
PSRAM	8MB
Wireless Connectivity	Wi-Fi: 802.11 b/g/n Bluetooth: v4.2 BR/EDR and BLE
Button	EN
Charging IC	IP5306
Serial Chip	CH9102
Peripheral Interfaces	I2C、SPI、UART、SDIO、、I2S、CAN
Power Supply	Support USB Type-C / Li-Po Battery Dual Power Supply JST Connect type: JST PH 2pin 2.0mm [USB can power the battery]
Others	Supports pin extension of Mic and Speaker  [Ship without mic and speaker by default]

For T-Call A7670

 

Notice

Connect the power supply, click to start, after the start, click to reset, and click twice to shut down.

Sample Code For Reference [Github]

If you need technical support please check the below link to find more details.

For T-Call SIM800

Pin Diagram

What's In The Box

SIM800L

1 X SIM800L

1 X SIM Antenna(~7 cm)