MT20
Cloud-managed open/close sensor
The MT20 open/close sensor detects intrusions, protecting access to critical infrastructure or assets.

Highlights
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Sensor Features
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- Magnetic field sensor
- Flexible mounting options
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Connectivity
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- 2.4 GHz BluetoothⓇ Low Energy
- Compatible with Meraki MR36, MR45, MR46, MR46E, MR55, MR56, MR76 and MR86 Wi-Fi 6 access points
- Compatible with Meraki MV12 series, MV32, MV22 series and MV72 series smart cameras
- Open/Close Sensor
- Intrusion detection using magnetic field via a Magnetic field sensor
- Wireless Capabilities
- Bluetooth only via MV/MR as gateway: Compatible with second-generation MV smart cameras and Wi-Fi 6 MR access points
- Operating Frequency: 2.400–2.4835 GHz
- IEEE Standard: 802.15.1 (Bluetooth 4.2 Low Energy )
- Data Logging
- Data Polling Frequency: Every 20 minutes or immediately upon state change
- Onboard data storage: 4,000 data points (~five days of data in case of connectivity loss)
- Bluetooth Low Energy messages encrypted and authenticated using Cisco Trust Anchor technology
- Power
- AA battery
- Battery life up to five (5) years
- Operating environment
- Temperature: 0 - 55 °C (32 - 131 °F)
- Relative humidity: 0-95%
- Physical Characteristics
- Dimensions:
- 81.2 mm x 39.7 mm x 19.5 mm (length x width x height)
- Magnet cover: 59.5 mm x 12 mm x 13.35 mm (length x width x height)
- Battery compartment
- Multicolour, multifunction status LED
- General purpose button
- Reset button
- Dimensions:
- Warranty
- Three-year hardware warranty with advanced replacement
- Ordering information
- MT20-HW: Meraki MT20 Indoor Open/Close Sensor
- LIC-MT-XY: Meraki MT Enterprise Licence and Support (X = 1, 3, 5, 7, 10 years)
- In the Box
- MT20-HW and magnet with cover
- Quick-start & installation guide
- AA battery
- Mounting equipment:
- 3 M tape for main device
- 3 M tape for magnet cover
- Mounting screws (x4)
- Drywall anchors (x4)
- Torx allen wrench
- Note: each Meraki MT sensor requires a licence to operate.