TTGO T-Call V1.4 ESP32 WiFi BLE SIM800L Wireless Communication GPRS ModuleTTGO T Call v1. 3 v1. 4 ESP32 Wireless Module & SIM800L GPRS Module (with Antenna) 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. Features: The SIM800L wireless communication module is integrated with an ESP32 chip with a dual core 32 bit LX6
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TTGO T-Call V1.4 ESP32 WiFi BLE SIM800L Wireless Communication GPRS Module