STI 3301 Wireless Doorbell Chime Transmitter

Keep every entrance monitored and your team notified with the Safety Technology International STI 3301 Wireless Doorbell Chime Transmitter. Designed as an add-on transmitter for STI chime systems, the STI-3301 extends visitor notification to back doors, gates, garages and other remote access points so you can improve on-site security and operational responsiveness. With an industry-grade wireless range of up to 500 ft (line-of-sight) and a water-resistant push button, this transmitter provides dependable performance for outdoor and semi-exposed mounting locations. It transmits to an STI receiver (sold separately) and supports 10 selectable chimes with adjustable audible levels (64–88 dB), making it easy to tailor alerts to retail, warehouse, healthcare or office environments. Lightweight and compact, the white STI 3301 installs quickly and integrates into existing monitoring and surveillance workflows, enhancing staff awareness and perimeter visibility without complex wiring. Pair the STI 3301 with a compatible STI receiver to upgrade your door monitoring and improve security and response times — order today or contact us to specify the right chime solution for your facility.

• Extend your existing chime system to back doors, gates or garage entries for consistent visitor alerts
• Up to 500 ft wireless range (line-of-sight) reliably notifies staff across large sites and facilities
• Water-resistant button for durable outdoor use, reducing maintenance and replacement costs
• Compatible with STI receivers and offers 10 selectable chimes for tailored audible alerts in noisy environments
• Slim, low-profile white design installs quickly to blend with building exteriors and interior entryways