
Overview
Simplify Parking Guidance with the All-in-One Front-Mounted Ultrasonic Sensor
The KEYPLUS WBP-T02F integrates a high-precision ultrasonic detector (2cm accuracy) with a vibrant, multi-color LED indicator into a single ABS housing. Engineered with wide-voltage 10~28V RS485 communication for streamlined installation in large-scale indoor parking facilities. Designed for easy 1.8-3.0m ceiling installation in indoor parking garages and multi-level basements, delivering real-time bay telemetry directly to guidance controllers.
Core Features
- Integrated Front-Mounted Architecture: Combines the ultrasonic transducer and the bright, multi-color LED status indicator into one compact 100 × 125 mm ABS unit, halving wiring runs and labor time.
- High-Precision 2cm Ultrasonic Ranging: Utilizes advanced ultrasonic wave reflection algorithms to achieve an ultra-low ranging error of ≤ 2cm, reliably detecting all vehicle profiles from low-chassis sports cars to lifted SUVs.
- Industrial RS485 & Wide Voltage Design: Operates reliably across an ultra-wide 10V to 28V DC power range (24V rated) with differential RS485 communication, immune to long-line voltage drop and electrical interference.
- Ceiling-Optimized 1.8–3.0m Deployment: Designed for direct front-overhead ceiling mounting over the entrance of each parking bay, ensuring maximum optical visibility down long driving aisles.
Pain Points & The Solution
- Slash Conduit & Wiring Costs: Traditional split-type parking sensors require separate wiring for the detector above the car and the indicator light over the aisle, doubling piping, KBG conduits, and labor expenses.
The Solution: The WBP-T02F's integrated front-mounted design cuts conduit runs and labor time in half, providing instant visual guidance directly from the parking bay entrance through a single integrated unit.
- Immune to Voltage Drop Instability: Long cable runs in expansive underground basements often cause severe voltage drops, leading to sensor failure, false empty readings, or continuous device resets.
The Solution: The WBP-T02F features an ultra-wide 10~28V operating voltage range, guaranteeing stable performance and accurate 2cm ranging even at the furthest extremities of massive basement networks.
Deep Dive Analysis
Integrated Front-Mounted Architecture
- Feature: Combines the ultrasonic transducer and the bright, multi-color LED status indicator into one compact 100 × 125 mm ABS unit.
- Advantage: Installed directly at the front-top of the parking space (1.8 to 3.0m height), making the availability status visible from far down the driving lane.
- Benefit: Provides an intuitive parking experience for drivers while drastically reducing the contractor's installation complexity and material costs.
High-Precision 2cm Ultrasonic Ranging
- Feature: Utilizes advanced ultrasonic wave reflection algorithms to achieve a remarkably low ranging error of just 2cm.
- Advantage: Accurately detects the presence of all vehicle profiles—from low-clearance sports cars to lifted SUVs—without being fooled by ground clutter.
- Benefit: Ensures 100% accurate parking availability data is sent to your management system, eliminating driver frustration caused by false "empty" signals.
Industrial RS485 & Wide Voltage Design
- Feature: Communicates via standard RS485 protocol and operates efficiently across a broad 10V to 28V DC voltage range (Rated 24V).
- Advantage: Highly resilient against electromagnetic interference and voltage attenuation common in large commercial basements.
- Benefit: Guarantees seamless, real-time data transmission to the central parking guidance controller, minimizing maintenance call-outs and system resets.
Applications & Solutions
Ideal Deployment Scenarios:
- Commercial Shopping Malls & Retail Garages: Real-time space status indication to streamline traffic flow and reduce customer search time during weekend peak hours.
- Subterranean Corporate Office Basements: Dedicated multi-color LED status differentiation for executive reserved, VIP tenant, and visitor parking spaces.
- Airport & Transit Hub Parking Structures: Multi-tier parking navigation providing high-throughput visual guidance across extensive parking levels.
- Smart Residential Underground Garages: Quiet, high-accuracy vehicle tracking seamlessly linked to community property management consoles.
Compatible Solutions:
- Parking Guidance Centralized Controllers & Node Processors
- Dynamic LED Space Availability Directional Totems & Signs
- Property Management Systems (PMS) & Central Monitoring Consoles
- Reverse Car Finding Systems & Parking Guidance Mobile Applications
- Third-Party Integration via RS485 Protocols & Custom Middleware APIs
Feature Specification
| Product Model | KEYPLUS WBP-T02F |
| Product Name | Front-Mounted Ultrasonic Parking Detector |
| Product Category | Smart Parking Devices / Parking Detection & Guidance |
| Housing Material | ABS Engineering Plastic |
| Dimensions | 100 mm × 125 mm |
| Working Voltage Range | 10V ∼ 28V DC Wide-Voltage Input |
| Rated Operating Voltage | 24V DC |
| Communication Interface | RS485 Industrial Serial Bus |
| Ranging Error (Accuracy) | ≤ 2cm High-Precision Detection |
| Recommended Installation Height | 1.8m to 3.0m (Direct Overhead Front-Mount) |
| Indicator Color Mode | Multi-Color LED (Red, Green, Blue, Purple, etc.) |
| Operating Environment | Indoor Parking Garages & Underground Basements |
| Packaging Standard | Export Corrugated Carton |
| Place of Origin | Guangdong, China |
System Architecture

