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KEYPLUS WBP-T02F Ultrasonic Parking Sensor

An all-in-one front-mounted ultrasonic parking detector integrating a high-precision distance sensor (2cm margin of error) with a highly visible multi-color LED indicator. Designed for easy 1.8-3.0m ceiling installation in indoor parking garages via robust RS485 communication.

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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

KEYPLUS WBP-T02F system architecture and accessory matching
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