Compared with LoRa32 V3, the LoRa 32 V4 features comprehensive improvements in craftsmanship and enhanced performance. ^^ This LoRa V4 dev-board comes unassembled, then soldering is required. ^^ When you use this lora32 v4 development board, you need to use 2pcs together, one receiving and another sending. ^^ You will receive, 1pcs esp32 lora V4, 1pcs 5dbi lora antenna, and 1pcs 2pin 1.25 mm connector, not equipped with Li BAT, gps or other accessories. ^^ If you need the user manual, please check the last image.