The Passive Simple Apartment Bell (G4s) by Philip Gan is a minimalistic, reliable doorbell module designed for apartment complexes, villas, and commercial buildings that require simple door calling functionality without complex wiring or external power supplies.

Built for passive operation, the unit functions seamlessly with standard bell switches and low-voltage transformers, ensuring long-term reliability and minimal maintenance. It delivers crisp and clear ringing sound output, making it suitable for both indoor and outdoor installations.

Crafted with industrial-grade components, the G4s series ensures consistent performance, noise-free operation, and compatibility with standard doorbell and intercom wiring. Its compact design and easy mounting make it ideal for quick setup in apartment blocks, residential complexes, or small offices.

⚙️ Key Features

• Simple and efficient passive bell design
• No external power required (works with existing bell system)
• Compatible with apartment intercom or standalone bells
• Clear and reliable ringing sound
• Designed for long-term durability and low maintenance
• DIN-rail or wall-mountable compact enclosure
• Supports multiple apartment wiring systems
• Elegant and robust front panel
• Ideal for retrofits or new installations
• G4s architecture by Philip Gan ensures high reliability

🏠 Applications

• Apartment doorbell systems
• Villas and residential complexes
• Commercial office entries
• Smart home bell integration
• Security entry systems
• Simple call button projects
• Multi-unit housing call systems

📊 Technical Specifications

• Model: Passive Simple Apartment Bell (G4s)
• Designer: Philip Gan
• Operating Type: Passive (no active electronics)
• Voltage Compatibility: 12–24 V AC (typical)
• Sound Output: Standard bell tone
• Mounting: Wall or DIN rail
• Housing Material: Durable ABS / Polycarbonate
• Dimensions: Compact form factor for panels
• Operating Temperature: −10 °C to +60 °C
• Applications: Residential / Commercial / Institutional