Put your modem/router in the center. Label it “Modem/Router”. 2. Around it, draw your five devices in a circle: Hearing Aid → label Bluetooth/Wi-Fi (if it connects wirelessly) USB → label Cable Smartphone → label Wi-Fi Printer → label Cable or Wi-Fi, whichever fits Computer/Laptop (if you need one more connection) → label Wi-Fi 3. Use lines for cables and wavy lines for Wi-Fi/Bluetooth. 4. Add arrows both ways to show that devices send and receive data. See more