HT-AT62 is a module, must work with other PCB boards, it belongs to “Heltec LoRa“ series, with the following features: + APT32+SX1262; + LoRaWAN 1.0.2 protocol with AT command supports; + 32-bit high-performance and low-cost microcontroller and SX1262; + Low power design, 12uA in deep sleep mode; + 1.27 stamp edge design, friendly for batch SMT producing; + Good impendence matching and long communication distance; + GPIO HIGH/LOW control via AT commands;

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