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Global Hi-Tech Pte. Ltd. - Singapore
Wireless Parking Guidance System
Ultrasonic (Indoor) | Magnetic (Outdoor)
Product Overview
The Go-Park Wireless Parking Guidance System is engineered for facilities requiring accurate, real-time bay-level occupancy data for efficient traffic flow and driver guidance. The series provides two complementary detection technologies — Wireless Ultrasonic for indoor environments and Wireless Magnetic for outdoor surfaces — sharing a common CCU, router, and PGS software platform. Bay-level sensors communicate wirelessly from sensor to Zone Control Unit (ZCU), through Wireless Routers, to the Central Control Unit (CCU), and out to LED guidance displays at lane entries and decision points — all in real time, with no bay-to-bay cabling required. Designed for multi-level car parks, shopping malls, hospitals, corporate campuses, airports, and any high-density indoor or outdoor parking facility where fast, reliable guidance directly reduces congestion and improves the user experience.
System Configurations
Wireless Ultrasonic System
Indoor Bay-Level Parking Guidance
- Ultrasonic sensor with built-in dual-colour LED (red = occupied / green = available) per bay
- Battery-powered sensors — no mains power required at bay level
- Wireless RF transmission from sensor to Zone Control Unit (ZCU)
- ZCU aggregates zone data — transmitted via Wi-Fi to Wireless Routers
- Central Control Unit (CCU) manages facility-wide occupancy and LED displays
- Wireless LED Displays at entry points show live available bay counts
- Browser-based B/S PGS Software dashboard for operator management
- Supports up to 80 sensors per ZCU — scalable across all floor levels
Wireless Magnetic System
Outdoor Weather-Resistant Bay-Level Parking Guidance
- Magnetic field distortion detector flush-mounted in bay surface — no above-ground hardware
- Battery-powered sensors — no inter-bay cabling or surface trenching required
- Weather-resistant design — entirely unaffected by rain, sunlight, temperature variation, or wind
- Wireless RF transmission from detector to ZCU
- Shares ZCU, Router, CCU, and PGS Software with the Ultrasonic System
- Single unified platform for mixed indoor/outdoor facilities
- Wireless Outdoor LED Displays at entry points show live available bay counts
- Configurable detection sensitivity for motorcycles, small cars, and standard vehicles
Single unified platform: Both the Ultrasonic and Magnetic systems share the same CCU, Wireless Routers, and B/S PGS Software. Facilities with both indoor and outdoor parking zones operate under one network, one dashboard, and one management team — no parallel systems, no duplicate infrastructure.
System Comparison at a Glance
| Feature | Wireless Ultrasonic (Indoor) | Wireless Magnetic (Outdoor) |
|---|---|---|
| Detection Technology | High-frequency ultrasonic pulse | Earth magnetic field distortion |
| Ideal Environment | Indoor covered car parks | Outdoor open-air & rooftop lots |
| Sensor Mounting | Ceiling / overhead structure | Flush-mounted in bay surface |
| Bay-Level LED Indicator | Built-in (Red / Green) | External indicator light |
| Power Supply | Battery-powered (no bay cabling) | Battery-powered (no bay cabling) |
| Weather Resistance | Indoor use only | Fully weather-resistant |
| Sensors per ZCU | Up to 80 | Up to 80 |
| Shared Infrastructure | Yes — same CCU, Router, PGS | Yes — same CCU, Router, PGS |
| Certification | CE / ISO | CE / ISO |
| Warranty | 12 months standard | 12 months standard |
Key Features & Benefits
Bay-Level Occupancy Detection
Both systems provide individual bay-level detection — not zone-level estimates. Each bay’s status is monitored independently and updated in real time, giving drivers precise guidance and giving operators accurate occupancy data across the entire facility. The ultrasonic sensor includes a built-in LED indicator per bay; the magnetic detector provides wireless status transmission without above-ground hardware.
Wireless Architecture — No Bay-to-Bay Cabling
All sensor-to-ZCU communication is wireless via RF. Wireless Routers carry data between ZCUs and the CCU. This cable-free architecture significantly reduces installation time and cost in operational parking facilities — with no trenching, conduit runs, or structural modifications required between bays, whether indoors or across large outdoor surface lots.
Unified Platform for Indoor & Outdoor
The magnetic outdoor system shares its ZCU, Router, CCU, and PGS Software with the Go-Park Wireless Ultrasonic indoor system. Facilities with both indoor and outdoor zones operate under a single unified infrastructure — one network, one dashboard, one team managing the entire parking estate from a single browser-based console.
Real-Time LED Display & PGS Software
Available lot counts are pushed to Wireless LED Displays at facility entrances and lane junctions in real time — drivers make informed routing decisions before entering the search area, reducing congestion and cutting average time-to-park. The browser-based PGS software gives facility managers a live, facility-wide occupancy view with historical data and analytics for capacity planning and operational reporting.
Battery-Powered Sensors — Zero Bay Cabling
Both ultrasonic and magnetic sensors are battery-powered — eliminating the need for any mains power connection at individual bay level. This is a decisive installation advantage: no trenching between bays, no conduit runs across parking surfaces, no structural modifications to the floor or ceiling deck. Sensors are installed and operational without disrupting live parking operations, and battery replacement cycles are designed for long service intervals, minimising ongoing maintenance overhead.
High Detection Reliability — Indoor & Outdoor
Ultrasonic sensors are precision-tuned for standard indoor bay dimensions and vehicle profiles, delivering consistent detection performance across all common vehicle types. Magnetic detectors are engineered specifically for outdoor environments where rain, wind, direct sunlight, and temperature variation would degrade ultrasonic accuracy — magnetic field sensing is entirely unaffected by weather conditions, maintaining reliable detection across all outdoor conditions without recalibration or field adjustment. Detection sensitivity is configurable for motorcycles, small cars, and standard passenger vehicles on both systems.
Professional Deployment & Ongoing Support
GHT provides end-to-end project delivery — from initial site survey and system design through to installation, commissioning, and operator training. Post-deployment, clients receive reliable aftersales technical support including remote diagnostics, on-site maintenance, and software assistance. All system components carry a 12-month standard warranty, with extended warranty packages available for long-term facility deployments.
System Workflow
1
Vehicle Enters the Parking Area
The driver enters the facility and is immediately guided by LED display boards at the entrance showing the total number of available bays by zone and level.
2
Sensor Detects Vehicle Presence
The ultrasonic sensor (indoor) emits a high-frequency pulse and registers the bay as occupied when reflected distance changes. The magnetic detector (outdoor) identifies the distortion of the local magnetic field caused by the vehicle’s metal mass. Both trigger an immediate LED colour change at bay level: Red = Occupied.
3
RF Signal Transmitted to Zone Control Unit (ZCU)
The occupancy event is transmitted wirelessly via RF signal to the nearest ZCU. Each ZCU manages a defined zone of up to 80 sensors, aggregating status data from all bays within its coverage area in real time.
4
ZCU Forwards Data via Wi-Fi to Wireless Router
Zone-aggregated data is forwarded from the ZCU to the Wireless Router via Wi-Fi. Multiple ZCUs from different floors or outdoor zones transmit through the same router infrastructure, enabling seamless multi-level and multi-zone coverage.
5
CCU Processes & Updates Facility-Wide Occupancy
The Central Control Unit (CCU) receives all zone data, processes the updated occupancy counts, and refreshes the facility-wide parking database. The PGS Software dashboard reflects the change instantly — giving operators a live view across all bays, zones, and levels.
6
LED Displays Updated — Drivers Guided to Available Bays
Updated availability counts are pushed to all LED Displays at ramp entry points, floor junctions, and facility entrances. Drivers are directed precisely to the floor and zone where spaces remain — eliminating aimless searching and reducing internal congestion.
7
Vehicle Parked Successfully
The full detection-to-display cycle completes in real time for every bay state change. When the vehicle departs, the process reverses instantly — the bay LED returns to Green, the ZCU transmits the vacancy, and available counts on LED displays update within seconds.
Network resilience: If Wi-Fi connectivity is temporarily interrupted, ZCUs buffer zone occupancy data locally and LED indicators at bay level continue displaying the last confirmed status. Data synchronises automatically with the CCU when connectivity is restored — ensuring no occupancy events are lost.
Scalable & Modular Architecture
New sensors, ZCUs, and display boards can be added as facility footprint grows — without overhauling the core CCU or network infrastructure. The system scales from single-level car parks to complex multi-level facilities with both indoor and outdoor zones, all managed from the same CCU and PGS platform.
Certifications & Warranty
All Go-Park system components — sensors, ZCUs, CCU, routers, and LED displays — carry CE and ISO certifications, meeting international performance and safety standards. A 12-month standard warranty is included across all components, with extended warranty packages available on request for long-term facility deployments.
Technical Specifications
Wireless Ultrasonic System (Indoor)
| Component / Parameter | Specification |
|---|---|
| Detection Technology | Ultrasonic (high-frequency sound wave reflection) |
| Detection Scope | Individual bay-level — not zone-level estimation |
| LED Indicator | Built-in per sensor — Red (occupied) / Green (available) |
| Sensor Power Supply | Battery-powered — no bay-level mains connection required |
| Sensor Communication | Wireless RF to ZCU |
| Max Sensors per ZCU | Up to 80 sensors |
| ZCU to Router | Wi-Fi |
| ZCU Power Supply | DC 24V |
| CCU Power Supply | 220V AC |
| Central Management | CCU + B/S PGS Browser-Based Software |
| Display Output | Wireless LED Indicator (bay-level) + Wireless LED Display (entry points) |
| Environment | Indoor (covered structures) |
| Vehicle Types Supported | Standard passenger vehicles; configurable for motorcycles and small cars |
| Certification | CE / ISO |
| Warranty | 12 months standard; extended packages available |
Wireless Magnetic System (Outdoor)
| Component / Parameter | Specification |
|---|---|
| Detection Technology | Magnetic field distortion (Earth field baseline deviation) |
| Detection Scope | Individual bay-level — not zone-level estimation |
| Installation Method | Flush-mounted in bay surface — no above-ground hardware |
| Sensor Power Supply | Battery-powered — no inter-bay cabling or surface trenching required |
| Weather Resistance | Fully weather-resistant — unaffected by rain, temperature, sunlight, or wind |
| Sensor Communication | Wireless RF to ZCU |
| Max Sensors per ZCU | Up to 80 sensors |
| ZCU to Router | Wi-Fi |
| ZCU Power Supply | DC 24V |
| CCU Power Supply | 220V AC |
| Central Management | CCU + B/S PGS Browser-Based Software |
| Display Output | Wireless LED Indicator (bay-level) + Wireless Outdoor LED Display |
| Shared Infrastructure | Fully compatible with Wireless Ultrasonic System — same CCU, Router, PGS |
| Environment | Outdoor open-air lots, rooftop decks, surface parking areas |
| Vehicle Types Supported | Standard vehicles, motorcycles, small cars — configurable sensitivity |
| Certification | CE / ISO |
| Warranty | 12 months standard; extended packages available |
Shared infrastructure: Both systems operate through the same Wireless Router, CCU, and B/S PGS Software. Mixed-technology facilities use a single network and a single operator dashboard to manage all indoor and outdoor zones simultaneously.
Ideal Applications
Multi-Level Car Parks
Ultrasonic — Indoor Levels
Magnetic — Rooftop / Surface
The system's scalable zone architecture is designed for multi-level facilities — ZCUs covering each floor, LED displays at ramp entry points guiding drivers to the level and zone with available bays. Magnetic detectors handle rooftop levels where weather exposure would compromise ultrasonic sensors.
Shopping Malls & Retail Complexes
Ultrasonic
Magnetic
High shopper turnover demands fast, accurate parking guidance. Real-time bay-level detection and entry-point LED displays reduce circling, lower peak congestion, and improve the overall visitor experience across both indoor and surface lot areas.
Hospitals & Healthcare Facilities
Ultrasonic — Recommended
In time-sensitive environments, reducing time-to-park is a patient care issue. The ultrasonic system provides precise, real-time guidance — helping patients, visitors, and staff locate bays quickly and reliably in covered indoor parking decks.
Open-Air Surface Lots & Rooftop Decks
Magnetic — Recommended
Magnetic detectors maintain consistent accuracy across all outdoor conditions without adjustment — making them the definitive choice for retail park surface lots, rooftop decks, and any open-air parking area where ultrasonic sensors would be compromised by weather variables.
Airports & Transport Terminals
Ultrasonic
Magnetic — Surface Lots
For short-stay and long-stay car parks at airports, the combined system handles high turnover with precision — ultrasonic for covered terminal parking structures, magnetic for outdoor surface and long-stay lots, all managed from a single CCU and PGS dashboard.
Corporate Campuses & Office Complexes
Ultrasonic
Magnetic
The system supports structured parking allocation for staff, visitors, and reserved bays — with zone-level monitoring, reporting, and analytics available through the PGS software dashboard for both indoor and outdoor zones.
Hotels & Hospitality Venues
Ultrasonic — Covered Structures
Magnetic — Surface Lots
Valet and self-park operations benefit from live occupancy data across both covered and open-air hotel parking areas. Facility teams locate available bays instantly during peak check-in periods, reducing vehicle queue times at the entrance and improving the guest arrival experience. The PGS software provides historical utilisation data to support staffing and capacity planning.
Bus Terminals & Transit Interchanges
Ultrasonic
Magnetic — Surface Lots
High-turnover commuter parking at bus depots and transit interchanges demands fast, reliable bay-level detection and clear guidance at entry points. The combined system handles rapid successive occupancy cycles with real-time precision — ensuring LED displays always reflect current availability across both sheltered and open-air commuter parking areas.
Why Choose Global Hi-Technologies
Bay-Level Precision
Individual sensor detection per bay delivers accuracy that zone-level systems cannot match — giving drivers exact guidance and operators accurate real-time occupancy data across every bay in the facility, indoors and outdoors.
Integrated End-to-End Guidance
Built-in bay LED indicators (ultrasonic) and facility-wide Wireless Outdoor LED Displays deliver a complete driver guidance experience from facility entrance to individual bay — reducing search time and congestion at every step.
Cable-Free Deployment
Wireless RF sensor-to-ZCU architecture eliminates bay-to-bay cabling — minimising installation disruption in operational facilities and reducing installation cost across both indoor decks and large outdoor surface lots.
CE & ISO Certified · Scalable
All system components meet international performance and safety standards. The modular architecture scales from single-level car parks to complex multi-level mixed indoor/outdoor facilities without replacing core infrastructure.
Technical Support & Warranty
Full aftersales service, professional installation assistance, and warranty coverage included as standard. 12-month warranty on all components with extended warranty packages available on request.
Frequently Asked Questions
How does the ultrasonic sensor detect vehicles?
The sensor emits high-frequency sound waves and measures the reflected signal. When a vehicle occupies the bay, the reflection distance changes — triggering a status update and LED colour change, and transmitting the occupancy event wirelessly to the ZCU. The system is tuned for indoor bay dimensions and standard vehicle profiles.
How does the magnetic detector work?
The detector establishes a baseline reading of the local magnetic field at installation. When a vehicle parks in the bay, its metal mass distorts this field. The detector identifies the change, registers the bay as occupied, and transmits the update wirelessly to the ZCU. Detection sensitivity is configurable for different vehicle types including motorcycles and small cars.
Does the system require cabling between individual bays?
No. Sensor-to-ZCU communication is wireless via RF signal for both the ultrasonic and magnetic systems. The only cabling required is for power supply to each sensor unit and for the ZCU-to-router network — both of which follow existing electrical and data pathways without requiring inter-bay cabling.
Can the magnetic system work alongside the ultrasonic system?
Yes — and this is the recommended configuration for facilities with both indoor and outdoor parking areas. Both systems share the same ZCU, Router, CCU, and PGS Software infrastructure. A single operator dashboard covers all zones regardless of detection technology used.
Does weather affect outdoor magnetic detection accuracy?
No. Magnetic field sensing is entirely unaffected by rain, temperature, humidity, direct sunlight, or wind — making it consistently reliable across all outdoor conditions without recalibration or adjustment. This is the key advantage of magnetic detection over ultrasonic for outdoor environments.
Is the PGS software accessible remotely?
Yes. The browser-based PGS software can be accessed from any authorised device on the facility's network. Remote access configuration is available based on the operator's IT and security requirements — enabling off-site monitoring of occupancy across all zones and levels.
Can the system detect motorcycles and small vehicles?
Yes. Magnetic detectors respond to the metal mass of any vehicle — including motorcycles, scooters, and small cars. Detection sensitivity is configurable based on the expected vehicle types at the facility to minimise false negatives for smaller vehicles. Ultrasonic sensors are similarly configurable for indoor bay dimensions.
How many sensors can one ZCU support?
Each Wireless Zone Control Unit (ZCU) supports up to 80 wireless sensors — sufficient to cover a full floor or zone of a medium-to-large car park. For larger facilities, additional ZCUs are added per zone or floor, all feeding into the same Wireless Router and CCU. The architecture is fully modular: the core infrastructure does not need to be replaced or reconfigured as additional ZCUs are added.
How long does installation typically take?
Because sensors are battery-powered and communicate wirelessly, installation is significantly faster than conventional wired parking systems. There is no inter-bay cabling, no surface trenching, and no conduit installation required at the bay level — only the ZCU, router, and CCU require standard power and network connections. A typical single-floor installation can be completed with minimal disruption to live parking operations. GHT provides professional installation, commissioning, and operator training as part of the deployment service.
What happens if the Wi-Fi or network connection is interrupted?
The system is designed with network resilience in mind. If Wi-Fi connectivity between the ZCU and router is temporarily lost, each ZCU buffers occupancy data locally — no events are discarded. Bay-level LED indicators continue to display the last confirmed occupancy status, so driver guidance at the bay level remains functional throughout any connectivity interruption. Data synchronises automatically with the CCU once connectivity is restored, ensuring the PGS software dashboard reflects accurate, up-to-date occupancy across all zones.
Request a Consultation
Looking to deploy a wireless parking guidance system for your indoor or outdoor facility? Contact GHT for professional site assessment, system design consultation, and competitive pricing.
