This is a TTGO 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 Wi Fi 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.

Features:

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

Package Includes:

1 x Unsoldered TTGO T-Call V1.4 ESP32 Wifi BLE SIM800L Wireless Communication Module