Feature UWB NFC QR Codes Range Up to 10 meters 4 cm max ~A few feet Precision Extremely high Moderate Low (manual scan) Ease of Use Hands-free Requires tapping Needs scanning Security High High Low Cost Expensive upfront Low Super cheap Infrastructure : For UWB to replace QR codes in places like restaurants or stores, companies would need to install UWB tech throughout their spaces. : For UWB to replace QR codes in places like restaurants or stores, companies would need to install UWB tech throughout their spaces.