Technical Specifications
| Model Number | FW151-FP |
| Product Name | Fire Phone |
| Category | Emergency Communication System |
| Certification | UL Listed (UL1638) |
| Manufacturer | Maple Armor / Tongfang |
| Warranty | 2-Year Standard |
| System Type | Two-Way Emergency Communication |
| Microphone Type | Noise-canceling electret |
| Speaker Type | Weather-resistant 2" dynamic |
| Audio Output Power | 2W RMS |
| Frequency Response | 300Hz - 3.4kHz (±3dB) |
| Sensitivity (Microphone) | -45dB ±3dB (0dB=1V/Pa at 1kHz) |
| Signal-to-Noise Ratio | > 60dB |
| Operating Voltage | 24VDC Nominal (18-32VDC range) |
| Current Consumption | Standby: 10mA, Active: 100mA typical |
| Power Consumption | 2.4W (at 24VDC, typical operation) |
| Communication Interface | 2-wire audio circuit |
| Call Initiation | Push-button or handset lift |
| Call Indication | LED indicator and audible tone |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Storage Temperature | -20°C to +70°C (-4°F to 158°F) |
| Humidity | 10% to 93% RH (Non-condensing) |
| Weatherproof Rating | IP54 (Dust and Water Splash Protected) |
| Enclosure Material | Polycarbonate (UL94 V-0) |
| Mounting Type | Surface Wall Mount |
| Dimensions (HxWxD) | 10" x 8" x 4" (254mm x 203mm x 102mm) |
| Weight | 3.5 lbs (1.6 kg) |
| Wire Gauge | 14-22 AWG |
| Terminal Type | Screw Terminals |
| Handset Included | Yes (coiled cord, 6 ft length) |
| ADA Compliance | Yes (audible and visual indicators) |
| NFPA 72 Compliance | Yes (2019 Edition) |
| Expected Life | 10 years minimum |
Audio Communication Quality
Poor
Average
Good
Standard
Excellent
Premium
FW151-FP delivers "Excellent" audio quality with >60dB SNR and noise-canceling microphone
Emergency Communication Interface
EMERGENCY CALL
PRESS TO TALK
Two-way communication with push-to-talk functionality
Product Overview
The FW151-FP Fire Phone is a dedicated emergency communication device designed for fire alarm and life safety systems. It provides reliable two-way voice communication between building occupants and emergency responders, allowing for clear instructions, status updates, and assistance coordination during emergencies.
Two-Way Communication
Clear two-way voice communication with noise-canceling microphone and weather-resistant speaker.
Emergency Call Initiation
Push-button or handset lift call initiation with visual and audible indicators.
Weather Resistant
IP54 rating for reliable operation in indoor and outdoor environments.
Key Characteristics
Clear Audio: 2W RMS output with >60dB SNR
Noise Canceling: Electret microphone for clear voice pickup
Easy Operation: Push-button or handset lift call initiation
Reliable: IP54 weatherproof construction
Durable: Polycarbonate enclosure (UL94 V-0)
Simple Wiring: 2-wire audio circuit installation
Emergency Application Types
Fire Emergency
Communication with fire command center
Code Blue
Medical emergency communication
Security
Security incident reporting
General Emergency
Any emergency requiring assistance
Emergency Communication Importance: During emergencies, clear communication can be life-saving. Fire phones provide a dedicated, reliable communication channel that remains operational when regular phone systems may fail. They allow emergency responders to gather critical information and provide specific instructions to building occupants.
Product Features
Audio Features
- Two-way full-duplex communication
- Noise-canceling electret microphone
- Weather-resistant 2" dynamic speaker
- 2W RMS audio output power
- >60dB signal-to-noise ratio
- 300Hz - 3.4kHz frequency response
- Microphone sensitivity: -45dB ±3dB
Operation Features
- Push-button call initiation
- Handset lift automatic call initiation
- LED call status indicator
- Audible call tone indication
- Push-to-talk functionality
- Handset included with coiled cord
- Simple 2-wire audio circuit
Construction Features
- Polycarbonate enclosure (UL94 V-0)
- IP54 weatherproof rating
- UV stabilized for outdoor use
- Impact resistant design
- Screw terminal connections
- Knockouts for conduit entry
- Tamper-resistant design
Safety & Compliance Features
- UL1638 certified for emergency communication
- NFPA 72 compliant (2019 Edition)
- ADA compliant with visual indicators
- Short-circuit and overload protection
- Reverse polarity protection
- Low power consumption
- Automatic self-test capability
Placement Considerations: Fire phones should be installed in locations where they are easily accessible during emergencies but protected from damage. Consider areas near exits, in stairwells, elevator lobbies, and other locations specified by building codes and emergency response plans.
Installation & Configuration
Wall Mount
Standard wall mounting 48-60" height
Stairwell Mount
Stairwell and exit pathway installation
Elevator Lobby
Elevator lobby and machine room
Installation Guidelines
- Install 48-60" (1.2-1.5m) above finished floor
- Follow NEC and NFPA 72 requirements
- Ensure clear visibility and accessibility
- Provide adequate lighting for operation
- Avoid locations with excessive ambient noise
- Use proper conduit and wiring methods
- Ensure secure mounting to wall surface
Wiring & Configuration
Power Requirements
24VDC, 100mA typical during operation.
Audio Configuration
Simple 2-wire audio circuit connection.
Load Calculation
Include fire phone in power supply calculations.
Audio Testing
Verify clear two-way communication.
Installation Steps
- Select installation location per NFPA 72 requirements
- Mount phone securely to wall at proper height
- Route power and audio wiring in approved conduit
- Connect 24VDC power with proper polarity
- Connect 2-wire audio circuit to terminals
- Test call initiation and indicator functions
- Verify two-way audio communication clarity
- Test with fire alarm control panel interface
- Verify operation during alarm conditions
- Document installation and testing results
- Provide user instructions and signage
Location Guidelines
Stairwells
Every 5 floors or as required by code.
Elevator Lobbies
All elevator lobbies in high-rise buildings.
Exit Pathways
Along primary exit access pathways.
Compatibility & Applications
Compatible Systems
- Maple Armor FW2000 Series FACP
- Maple Armor FW2100 Series
- Maple Armor FW2200 Series
- Most fire alarm control panels
- Emergency communication systems
Typical Applications
- High-rise office buildings
- Hospitals and healthcare facilities
- Educational institutions
- Shopping malls and retail complexes
- Transportation facilities (airports, stations)
- Hotels and convention centers
Application Scenarios
High-Rise Buildings
Stairwell communication for firefighter use.
Healthcare
Code blue and emergency communication.
Education
Emergency communication in dormitories.
Benefits
Reliable Communication: Dedicated emergency communication channel
Code Compliance: UL1638, NFPA 72 compliant
Easy Operation: Simple push-button or handset operation
Durable: Weatherproof construction for various environments
Simple Installation: 2-wire audio circuit connection
Serviceable: Easy maintenance and testing
Firefighter Communication: In high-rise buildings, fire phones in stairwells provide critical communication for firefighters. They allow incident commanders to communicate with teams on different floors, receive status reports, and coordinate evacuation efforts. The FW151-FP's weather-resistant construction ensures reliability even in challenging conditions like smoke-filled stairwells.