The file 'Lora Yagi Uda 868Mhz 3D Printer Model' is (stl) file type, size is 152.2KB.
This is an easy print and assemble Yagi for EU LoRa frequencies.To assemble see the guide for other parts needed.The measured SWR was 1.74It was used for a stable Lora connection of 163Km during a mesh experiment