Specifications:
- Chipset: ESPRESSIF-ESP32 240MHz Xtensa® LX6 microprocessor
- SRAM: 520 kB
- Flash Memory: 4MB QSPI
- PSRAM: 8MB
- SIM Card: Supports Nano SIM
- Interfaces: UART, SPI, SDIO, I2C, PWM, TV PWM, I2S, ADC
- Working Voltage: 2.7V - 3.6V
- Working Current: 70mA
- Sleep Current: 1.1mA
- Operating Temperature: -40℃ to +85℃
- Size: 78.83mm x 28.92mm x 8.06mm
- Weight: 11.77g
Package:
- 1 x TTGO T-Call V1.3 ESP32 Wireless Module
- 1 x GSM/GPRS Antenna
Description:
The TTGO T-Call V1.3 ESP32 Wireless Module is a versatile IoT development board, equipped with a powerful ESP32 chipset featuring a 240MHz microprocessor. It offers multiple communication options including Wi-Fi (802.11 b/g/n) and Bluetooth v4.2, making it perfect for a variety of connected applications. The onboard SIM800L GSM/GPRS module supports Nano SIM cards, allowing easy integration with cellular networks. The module can be powered through USB 5V/1A or by a 3.7V lithium battery for battery-operated projects. It’s designed to support FreeRTOS for developing custom applications, ideal for projects requiring low power consumption and robust connectivity.
FAQ:
1. What types of SIM cards are compatible with the TTGO T-Call module?
- The module supports Nano SIM cards only.
2. How do I power the TTGO T-Call V1.3?
- You can power the module via USB 5V/1A or a 3.7V lithium battery connected to the JST 2Pin connector.
3. What’s the maximum communication range for Wi-Fi and Bluetooth?
- The Wi-Fi communication range is up to 300 meters, and it supports Bluetooth v4.2 with a range of Class-1, Class-2 & Class-3 emitters.
4. Is it possible to upload custom firmware to this module?
- Yes, you can upload custom firmware to this module using UART download or OTA (Over-the-Air) methods.
5. What is the operating temperature range of this module?
- The TTGO T-Call V1.3 operates within a temperature range of -40°C to +85°C.
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