ESP-32 (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278; and a 0.96”’ OLED display.
Specification
Operating voltage: 3.3V to 7V
Operating temperature range: -40 ° C to + 90 ° C
Supports Sniffer, Station, softAP and W i – F i Direct modes
Data rate: 150 Mbps 11n HT40,72 Mbps 11n HT20,54 Mbps 11g, 11 Mbps 11b
Transmit power: 19.5 dBm 11b, 16.5 dBm 11g, 15.5 dBm 11n
Receiver sensitivity up to – 139 dBm
UDP continues to throughput by 135 Mbps
more information:
https://heltec.org/project/wifi-lora-32/
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