1. Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
2. FLASH: QSPI flash 4MB / PSRAM 8MB
3. SRAM:520 kB SRAM
4. Button: Reset
5. USB to TTL: CP2104
6. Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO
7. On-board clock:40MHz crystal oscillator
8. Working voltage:2.7V-3.6V
9. Working current: About 70mA

This is a LILYGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered. The module is used for wireless communication. The ESP V1.4 ESP32 Serial WIFI Wireless Transceiver Module is a self-contained SOC with an integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network.

This module has a powerful enough onboard processing and storage capability that allows it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime.

Note : Board Design & writing may varies

Features:

1. The SIM800L wireless communication module is integrated with an ESP32 chip with a dual-core 32-bit LX6 microprocessor.
2. The SIM800L ESP32 wireless module needs a power supply of 5V/1A and has a Type C port.
3. The ESP32 SIM800H wireless communication module features 802.11 b/g/n wifi protocol and Bluetooth v4.2BR/EDR and BLE standard protocol.
4. This wireless communication module supports cloud server development and SDK for user firmware development.

Package Includes:

1 x LILYGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module