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DOWNLOADS and RESOURCES :: LTE CATM1 / NB-IOT / 4G / 3G / 2G [GSM] IoT MODEMS [SHIELDS] for Arduino, BeagleBone and Raspberry PI; environmental sensors for IoT
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ESP32 board with 150Mbps 4G LTE modem also supports RS485, CAN Bus, and relay expansion - CNX Software
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