Authentic board!!
This is an authentic board, and the delivery was quick. It’s perfect for IoT projects, offering great reliability and performance. Highly recommended for anyone working on Internet of Things applications.
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You're looking at an unsoldered TTGO TCall ESP32 SIM800L module with a SIM antenna and SIM card slot. This module is a wireless communication module that connects any microcontroller to your WiFi network via the ESP V1.4 ESP32 Serial WIFI Wireless Transceiver Module. The ESP32 module is a self-contained SOC with a built-in TCP/IP protocol stack.
Because of its solid inbuilt processing and storage capabilities, this module can be quickly connected with sensors and other application-specific devices, with little programming and runtime loading.
The TTGO T-Call combines an ESP32 development board and a SIM800L GSM/GPRS module. This combo offers wireless communication via the ESP32's WiFi and Bluetooth capabilities, as well as the SIMCom SIM800L GPRS module. Notably, the board's power and programming ports are USB-C rather than micro USB.
Whether you need to get warnings when someone enters your room or remotely water your plants, the ESP32 with SIM800L GSM/GPRS Module can prove quite useful. The SIM800L's tiny size and adaptability make it an excellent choice for a variety of IoT projects.
The ESP32-based wireless communication module is best for IoT applications because it consists of a USB Type C pluggable board that has an onboard LiPo Battery Charging Circuit & Connector.
Chipset | ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor |
FLASH | QSPI flash 4MB / PSRAM 8MB |
SRAM | 520 kB SRAM |
Modular interface | UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier |
SIM card | Only supports Nano SIM card |
Power Supply | USB 5V/1A |
Wifi Protocol | 802.11 b/g/n |
Communication distance | 300m |
Bluetooth Protocol | Bluetooth v4.2BR/EDR and BLE standard |
Dimensions | 78.83mm x 28.92mm x 8.06mm |
Weight | 12 grams |
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