Self-service Touch Screen Machine

Wireless queue management system communication solution: 2.4G/5G Dual-Band & 4G module environment adaptation guide
1. System Overview
Modern wireless queue systems adopt hybrid 2.4GHz/5GHz Wi-Fi and 4G module networking to overcome limitations of wired deployment and unstable signals in mobile scenarios. Ideal for bank branch renovations, temporary government halls, and outdoor service stations.

2. Core communication technologies
(1) Dual-Band Wi-Fi networking

2.4GHz Band: Strong wall penetration (≤50m coverage), backward compatible.

5GHz Band: High interference resistance (for crowded areas like malls), ≥867Mbps speed.

Auto-Switching: Selects optimal band based on signal strength (

3. Hardware Configuration

4. Environment Adaptation

(1) High-Density Areas (Hospitals/Banks)

Deployment: 1 AP per 200㎡ with auto-channel optimization.

Anti-interference: 5GHz + Bluetooth beacons for positioning.

(2) No-Network Zones

4G priority: Encrypted VPN tunnel to cloud server.

Offline mode: Local storage for 5000 records, auto-sync later.

(3) Mobile Scenarios (Service Vehicles)

Vehicle setup: 4G router + magnetic window display (12V DC powered).

5. Signal Test Data

6. Implementation Steps

1.Site survey: Use Wi-Fi analyzer to detect channel congestion.

2.Device selection: Calculate AP quantity by coverage radius (see table).

3.Security: Enable WPA3 encryption + MAC whitelisting.

4.Stress test: Simulate 200 concurrent connections.

7. Maintenance

Monthly 4G data usage check (alert threshold: 10GB/month).

Quarterly AP vent cleaning to prevent overheating throttling.