Main chip:espressif esp32 and sx1278 lora, 868/915m version link https://www.amazon.com/dp/B0776KXHBQ
Compatible: for Arduino Smart Home
What you will get: 1pcs esp32 lora oled development board,2pcs pin header, 1pcs antenna,2pcs lable
Document link https://drive.google.com/open?id=0B8DSGdAr8_31d19WQmN6SE1fLVE

Warranty:life time warranty,we offer free gift to anyone who can make project

Technical Details

Product Details

Package Dimensions
Width : 1.18 inch
Height : 0.39 inch
Length : 1.97 inch

Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B074R7GDL1