ELK 6021BR Two-Way Wireless Mini Window Sensor, Brown

Protect windows without drawing attention with the ELK Products ELK 6021BR Two-Way Wireless Mini Window Sensor. This magnetic contact transmitter is engineered for discreet, reliable intrusion detection on double-hung and casement windows, delivering continuous security monitoring without bulky hardware. The ultra-thin surface-mount sensor (approx. 0.3" depth, 0.4" width, 1.5" height and 2.3" overall) installs quickly and blends into brown window frames for a clean, professional finish.

Built with ELK’s two-way wireless technology and compatible with the ELK-M1XRFTWM transceiver, the ELK 6021BR provides supervised communication and tamper awareness for commercial and residential security systems. Frequency-hopping operation across 902–928 MHz enhances RF resilience, helping maintain consistent connectivity in high-interference environments. Battery-powered operation and RoHS-compliant construction reduce maintenance while supporting long-term surveillance and monitoring needs.

Ideal for integrators and facility managers looking to add unobtrusive perimeter protection, this mini window sensor combines reliability, compact form, and industry-grade communications. Add the ELK 6021BR to your intrusion detection plan for seamless window monitoring—order now or contact your ELK distributor to deploy it in your next security project.

• Discreet, low-profile design fits double-hung and casement windows for unobtrusive perimeter protection
• Two-way wireless supervision ensures reliable communication and tamper reporting with ELK systems
• 902–928 MHz frequency-hopping reduces interference for consistent signal performance in busy RF environments
• Compact surface-mount form factor and battery power enable fast commercial or residential installation
• Brown finish blends with wood/vinyl frames for professional aesthetics and minimized visual impact