Aiphone 39800-4 Modification Charge

Designed for mission-critical emergency communication, the Aiphone 39800-4 Modification Charge delivers dependable, accessible calling at entry points, campuses, and transit locations. This Aiphone intercom door station replacement/upgrade provides weather-resistant (Type-3R) protection and a brushed stainless steel, flush-mount front that stands up to vandalism, extreme cold options, and continuous outdoor use—helping facilities maintain uninterrupted security and monitoring coverage.

The unit is telephone line powered, so emergency voice and call functions operate without batteries or external power, reducing maintenance and increasing uptime for surveillance and security teams. The large palm HELP pushbutton and 12-button Braille keypad simplify emergency activation and standard dialing, while optional voice annunciation and (2) programmable auxiliary outputs enable integration with dispatch, access control, and building management systems. Auto-answer and silent monitoring features support live supervision and rapid incident response.

Ideal for correctional facilities, transit hubs, and corporate campuses, the Aiphone 39800-4 Modification Charge is a straightforward upgrade to strengthen on-site monitoring and emergency response. Contact your sales representative to spec this intercom door station for your next security or surveillance installation.

• Reliable emergency communication: weatherproof, flush-mount design ensures dependable HELP/CALL operation in outdoor and industrial environments
• Low maintenance, always-on operation: telephone line powered (no batteries or external power) for uninterrupted emergency calling
• Accessible and compliant: 12-button Braille keypad and large palm HELP pushbutton simplify use for all personnel
• Integrates with security systems: (2) programmable auxiliary outputs and optional voice annunciation support monitoring and surveillance workflows
• Durable, code-ready construction: Type-3R weather-resistant stainless steel front panel resists vandalism and extreme cold conditions