GSM Data Logger
1 deviceGSM data logger boards for cellular sensor data transmission.

LILYGO T-Call V1.4
ESP32
ESP32 development board with SIM800L 2G GSM/GPRS cellular modem, Wi-Fi, Bluetooth 4.2, USB-C charging, and Li-Po battery connector for IoT devices requiring SMS and GPRS data connectivity.
ESP324MBWiFi 802.11 b/g/nBLE BLE 4.2
~$17View
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