I. Innovation Background

Market Pain Points

1. Battery Dependency: 78% of wireless doorbell failures caused by battery issues (Consumer Reports 2023)
2. Installation Limitations: Wired solutions require complex retrofitting
3. Range Reliability: Typical products fail beyond 30m/2 walls

Technology Breakthrough
KKPCB’s kinetic energy harvesting solution achieves:

• Zero Battery Operation: 200,000+ press cycles durability
• Instant Power Generation: 3ms energy conversion latency
• Industrial-Grade RF Performance: Compared to consumer solutions

Parameter	Market Average	KKPCB Solution
Activation Force	5N	3.2N
Energy Output per Press	12mJ	18mJ
Transmission Distance	30m/2 walls	50m/3 walls

II. Core Technology Implementation

1. Energy Harvesting Module

• Piezoelectric Transducer
  • Converts 3mm mechanical displacement to 3.3V/5mA pulse
  • 85% energy conversion efficiency
• Power Management ASIC
  • Ultra-low 0.8μA quiescent current
  • 10ms capacitor charging time

2. RF Communication System

Kinetic Press

Energy Harvesting

TX361E Transmitter

433MHz @10dBm

RX306E Receiver

• Key RF Specs:
  • 40Kbps Manchester-encoded transmission
  • -105dBm sensitivity (15dB better than FCC Pt.15 req.)

III. Client Deployment Cases

A. Smart Apartment Project (5,000 Units)

• Results:
  • 100% elimination of battery replacement calls
  • 60% lower installation cost vs wired systems

B. Hotel Retrofit Application

• Implemented 800 doorbells across 12 floors
• Achieved 99.97% packet reception rate

IV. KKPCB Value Proposition

1. Plug-and-Play Modules
   • TX361E/RX306E pre-certified for:
     • FCC ID: 2AKHZ-TX361E
     • CE RED: 2024LP-0987
2. Customization Services
   • Frequency adjustment (315/868/915MHz available)
   • Mechanical integration support
3. Cost Advantages
   • 40% lower TCO than battery-powered alternatives
   • No RF royalty fees

Case ID: KKPCB-RF-2024-07
Contact: [email protected]

*”KKPCB’s battery-free technology solved our maintenance nightmare in high-rise buildings. The 50m range through concrete walls was a game-changer.”*
— Property Technology Manager

Market Potential:
With 120M annual doorbell shipments globally (ABI Research 2024), this solution addresses:

• Sustainable building certifications (LEED/WELL)
• Rental property management
• Healthcare facility silent calling systems