Wireless Open-Closed Sensor – Door & Window Magnetic Access Detector
Detect door or window access instantly. Wireless magnetic sensor for security, automation, and remote monitoring.
Product Description
The ALTA® Wireless Open-Closed Sensor provides instant notification when a door, window, or cabinet is opened or closed. Using a magnetic detection switch, this sensor offers a simple and effective way to monitor access points without complex wiring.
Designed for security, facility management, and automation applications, the sensor features an operation gap of up to 19 mm (0.75 in.), a 381 mm (15") cable, and magnetic switch terminations for easy installation. It wirelessly transmits data to your monitoring system, enabling real-time alerts and activity logging from virtually anywhere.
⚠️ Note: Requires a compatible Monnit gateway and may require software. See our Gateway & Software section or browse sensor kits for a full setup.
Key Features:
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Detects door or window open/close events
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Magnetic detection switch with up to 19 mm (0.75") gap
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381 mm (15") cable with magnetic switch terminations
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Wireless data transmission with long battery life
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Ideal for access control and intrusion monitoring
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Quick installation for doors, windows, cabinets, or enclosures
Applications:
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Office and building entry monitoring
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Retail and warehouse security
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Smart home or facility automation
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Server cabinet or utility box monitoring
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Healthcare, education, and aged care access tracking
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Specifications
Technical Specification ALTA® Wireless Open/Closed Sensors Detect Lead Magnet Switch SPST, gold under-plating with Deactivated Rhodium exterior outer-plating (capable of 50 million activations) Magnet Alnico magnet / Weatherproof, high-impact ABS exterior plastic Magnet Dimensions See below Operation Gap Up to 19 mm (.75") Cable Length Standard: 381 mm (15") Wire Count 2-conductor Wire Gauge 22 AWG Conductor Material Stranded Copper 7/30 Insulation PVC, 0.016 in. (Black) Shield No Wire Diameter 1.33 x 2.9 mm (0.053 x .114") Temperature Rating -25°C to 70°C (-15°F to 160°F) Voltage Rating 300 V Max ALTA Wireless Data Logging Sensor logs 2,000 to 4,000 readings if gateway connection is lost (non-volatile flash, persists through power cycling): 10-minute Heartbeats = ~22 days; 2-hour Heartbeats = ~266 days Wireless Protocol ALTA Proprietary Frequency-Hopping Spread Spectrum (FHSS) Wireless Transmission Power (EIRP) 50 mW (900 MHz), 25 mW (868 MHz), 10 mW (433 MHz) Wireless Range 2,000+ ft. through 18+ walls with the ALTA XL® Gateway Security Encrypt-RF® (256-bit key exchange and AES-128 CTR) General Battery Voltage Range 2.0 to 3.8 VDC Operating Altitude -15.2 to 1,982 m (-50 to 6,500 ft) Storage Altitude -15.2 to 3,048 m (-50 to 10,000 ft) Operating Humidity 5 to 85% RH (non-condensing) Certifications 900 MHz sensors: FCC ID: ZTL-G2SC1 and IC: 9794A-G2SC1. 868 and 433 MHz sensors tested and comply with: EN 55032:2015/A11:2020, EN 55035:2017/A11:2020, ETSI EN 300 220 V3.2.1 (2018-06), ETSI EN 301 489-3 V2.2.0 (2021-11), and ETSI EN 303 645. All sensors comply with EN 61010-1, EN 60950, and meet RoHS 2015/863 and REACH 224 (June 2022) according to IEC 63000:2016/AMD1:2022. Data Sheet and User Guide
Applications
Example Applications:
- Doors and windows
- Cabinets and lockers
- Containers with lids
- IT server closets
- Freezer and cooler doors
- More
Gateways/ Software