This is a TTGO TCall&, PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered. The Module is a custom ESP32 (ESP-WROVER-B 8MB PSRAM) based development board with an onboard 2G/GPRS Module SIM800L. The USB Type C pluggable board also has an onboard LiPo Battery Charging Circuit & Connector and is a good choice for building IoT applications.
- The wireless module is integrated with ESPRESSIF-ESP32 240MHz Xtensa dual-core 32-bit LX6 microprocessor.
- It needs a power supply of 5V/1A and has a Type C port.
- It features 802.11 b/g/n wifi protocol and Bluetooth v4.2BR/EDR and BLE standard protocol.
- The wireless communication module supports cloud server development and SDK for user firmware development.
1 x TTGO TCall& PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered