Because the QR Code Guard Tour System works with simple QR-code tags and smartphones (or tablets), it avoids the cost and complexity of specialized hardware such as RFID readers or NFC devices. That makes it ideal for businesses of any size — from small gated communities to large multi‑site facilities. The system is scalable: you can add more checkpoints, routes, guards or sites witho... https://guardworkforce.com.sg/qr-code-guard-tour-system/