MONNIT MNS2-9-W2-OC-ST Alta Wireless Closed Sensor

( Brand: Monnit ), ( Manufacturer Part Number: MNS2-9-W2-OC-ST ), ( Type: Open-closed Sensor ), ( Connectivity: Alta )

Review MONNIT Alta Long Range Wireless Open closed Sensor Model

The Monnit MNS2-9-W2-OC-ST Alta Wireless Open-Closed Sensor is a versatile and advanced monitoring solution designed for various applications where detecting the open or closed status of a target is essential. This sensor is part of Monnit's Alta Wireless Sensing System, which offers a reliable, long-range, and wireless data transmission for enhanced monitoring capabilities.

The open-closed sensor is designed with a rugged and compact construction, making it suitable for use in harsh environments. It features a robust and durable design with an IP65-rated enclosure, ensuring protection against dust and water intrusion. The sensor's small size, measuring only 2.3 inches long, 1.3 inches wide, and 1.1 inches high, enables easy installation in confined spaces, making it an ideal choice for monitoring doors, windows, chillers, and other essential applications.

The MNS2-9-W2-OC-ST sensor operates on Monnit's Alta Wireless System, which utilizes a long-range, low-power radio frequency (RF) transmission technology. This technology ensures reliable and secure communication between the sensor and the gateway, allowing for real-time monitoring of open-closed status data. The sensor can transmit data up to 300 feet line-of-sight, making it an excellent choice for remote or hard-to-reach areas.

The open-closed sensor features a high-sensitivity reed switch that can detect even the slightest movement, making it an accurate and dependable option for monitoring applications. The sensor is also equipped with a built-in temperature sensor, enabling users to monitor both the open-closed status and temperature data in real-time. This sensor is also configurable for various other input types, including vibration, humidity, and more, making it a versatile monitoring solution.

The Monnit MNS2-9-W2-OC-ST Alta Wireless Open-Closed Sensor comes with a pre-installed CR2450 battery and is factory calibrated for accurate and reliable readings. The sensor is also easy to install and configure using Monnit's intuitive and user-friendly software. With its advanced features, rugged construction, and long-range wireless transmission, the Monnit MNS2-9-W2-OC-ST Alta Wireless Open-Closed Sensor is an excellent choice for various monitoring applications where accurate and reliable open-closed status data is essential.

Monnit MNS2-9-W2-OC-ST Alta Wireless Open/Closed Sensor is a versatile and wireless device designed to monitor various applications, primarily focusing on open/closed status. Here are some pros and cons to help you make an informed decision about purchasing this sensor:

1. Wireless Functionality: The sensor operates wirelessly, making it easier to install and monitor from a distance. It communicates with the Gateway using low-power, long-range radio frequency (RF) technology.

2. Flexible Mounting: With its waterproof and tamper-resistant design, the sensor can be installed in various environments, including outdoor applications. It can be mounted using the included 3M double-sided adhesive or the optional mounting bracket.

3. Real-Time Monitoring: The sensor provides real-time alerts via email, text message, or push notifications, ensuring immediate response to any changes in status.

4. Wide Temperature Range: The sensor can operate in temperatures ranging from -40 F to 158 F (-40 C to 70 C), making it suitable for monitoring applications in various climates.

5. Long Battery Life: The sensor's CR2450 battery has a typical life of up to five years, reducing the need for frequent battery replacements.

1. Limited Sensing Capabilities: The MNS2-9-W2-OC-ST Alta Wireless Open/Closed Sensor is designed primarily for monitoring open/closed status, and it may not be suitable for applications requiring more advanced sensing capabilities.

2. Gateway Dependence: The sensor relies on the Monnit Gateway to transmit data to the Monnit Portal for monitoring and alerting. If the Gateway is not available or is not functioning properly, the sensor may not send data.

3. Initial Setup: Setting up the sensor involves several steps, including installing the batteries, attaching the sensor to the object being monitored, configuring the sensor in the Monnit Portal, and pairing the sensor with the Gateway.

In conclusion, the Monnit MNS2-9-W2-OC-ST Alta Wireless Open/Closed Sensor is a reliable and versatile device for monitoring open/closed status in various environments. Its wireless functionality, long battery life, and real-time alerting make it an attractive option for many applications. However, its limited sensing capabilities and dependence on the Monnit Gateway are important considerations. If your monitoring needs extend beyond open/closed status or you prefer a wired solution, you may want to explore other options.

Based on the information provided, I would recommend the Monnit MNS2-9-W2-OC-ST Alta Wireless Open/Closed Sensor for applications that require real-time monitoring of open/closed status in a variety of environments, where wireless functionality and long battery life are essential. However, if your monitoring needs are more complex or you prefer a wired solution, you may want to consider alternative options.

Details:

Wireless range of 2,000 feet through 18 walls. Operation gap up to 19mm 0.75 in. Alta MNS2-9-W2-OC-ST module w/ factory sticky pad at end of sensor wire. Frequency-Hopping Spread Spectrum FHSS.

Requires an ALTA Gateway not included.

part #: mns29w2oc prices

• $60.00-$99.00

specifications secimotions:

• brand: Monnit
• mpn: Mns2-9-w2-oc-st
• type: Open-closed Sensor
• connectivity: Alta

payments secimotions:

• credit card: Diners-club
• wallet: Google-pay
• other

seller secimotions:

• city: San Francisco, California
• rating: 100.0%
• # reviews: 617

offer secimotions:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True
• started: January 10, 2026

returns secimotions:

• policy: No Returns

shipping secimotions:

• carrier: UPS
• service: UPS Ground Saver
• class: Economy
• transit: 5-13 Days
• cost: $10.27
• type: Calculated

general secimotions:

• condition: Open box
• Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors

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