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T-Call SIM800L

LilyGO T-Call SIM800L: an ESP32-WROVER-B module (two 240 MHz cores, 2.4 GHz Wi-Fi and Bluetooth) with a SIM800L quad-band GSM / GPRS modem on the same board, a nano SIM socket, an IP5306 power chip with a Li-ion charger, USB-C, a u.FL antenna socket, a blue …