Is Your Wireless Solution Truly Secure?

Avoid the vulnerability associated with conventional wireless sensors. ELK's Two-Way Wireless technology defends against interferenece, hacking, and jamming.
Learn More...

Universal 3-Zone Sensor


This universal sensor has 1 built-in reed switch plus 2 external zone inputs (open or closed circuit) which allows it to secure up to 3 doors, windows, etc. It also features Elk's industry leading two-way technology.


Product Details

• Compatible with ELK-M1XRFTW(M) two-way wireless transceivers
• Zones: Built-in reed, IN1, and IN3 (external contact terminals)
• Front and back tamper option

• 902 Mhz - 928 Mhz frequency hopping
• Maximum operating gap of reed: 1/2”
• 3V CR123A lithium battery
• Battery Life: 7 years typical
• Size: 1.5”W x 3”L x .9”D, Magnet: .57”W x 1.5”L x .6”D


• Universal Door/Window Wireless Sensor
• Magnet
• Replaceable 3V Lithium battery
• Tamper Switch
• 4 #4 x ½” Flat Head Sheet Metal Screws
• Double Sided Tape for both transmitter and magnet
• Instructions

Locate an ELK Authorized Distributor Near You!

For more infomation, call ELK at (800) 797-9355.