This is a pair of the ESP32 LoRa with OLED display boards, these units gives you so much to work with..... There is BLE, WiFi, LoRa and a nice OLED display for debugging purposes what more can you ask for?
Ensure the Lora antenna is connected before powering the device powering the Lora radio without antenna will damage the module.
Display Size: 0.96"
LoRa Frequency: 868mHz