Bosch RFDW-SM Door Window Wireless Surface Mount Contact, 433.42 MHz

For reliable door and window monitoring in commercial and multi-site environments, the Bosch RFDW-SM Door Window Wireless Surface Mount Contact delivers dependable perimeter security with minimal maintenance. This Bosch magnetic contact uses an internal magnetic reed switch and 433.42 MHz wireless connectivity to provide accurate open/close detection and seamless integration with compatible alarm panels and security management systems. Supervised tamper, removal and low-battery alerts preserve signal integrity and reduce false positives, helping security teams maintain continuous protection and regulatory compliance. With up to 5 years of operation on a single, user-replaceable Lithium AAA battery, the RFDW-SM lowers lifecycle costs and field service frequency — ideal for large deployments and remote locations. The compact, surface-mount design installs quickly on doors and windows for a clean, professional appearance that supports broader surveillance and monitoring strategies. Choose the Bosch RFDW-SM to enhance intrusion detection and simplify ongoing maintenance — contact our sales team or add it to your next security system build today.

• Reliable perimeter monitoring: wireless door/window contact detects open/close events to strengthen building security and reduce false alarms.
• Low-maintenance operation: up to 5 years on a single user-replaceable Lithium AAA battery minimizes service visits and downtime.
• Tamper and supervision protection: covers tamper, removal and low-battery supervision to maintain system integrity and compliance.
• Seamless wireless integration: 433.42 MHz connectivity for straightforward pairing with Bosch-compatible security and alarm systems.
• Discreet, surface-mount design: compact white housing installs quickly on doors and windows for professional, unobtrusive surveillance.