LoRa USB Dongle PCB Design

I need a compact USB dongle that can both send and receive LoRa data on the European 868 MHz band, all while relying on a built-in PCB antenna—no external connectors. The job covers the full hardware cycle:... (Budget: ₹750 - ₹1250 INR, Jobs: Antenna Design, Bill of Materials (BOM) Analysis, CAD/CAM, Circuit Design, Electronics, Embedded Systems, LoRa, PCB Layout)