NB-loT (NarrowBand Internet of Things)
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Device Positioning: Base Station Transmission Power: 4G-23dBm
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Wireless Defense Zones：24 (315/433MHz Optional) Wireless Distance：≥100m, Optional ROLA Module (3-5Km)
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Communication Method: Full-Network NB-IoT Communication Device Dimensions: 80mm × 47mm × 13mm
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Uses NB-IoT Mobile Network; When an Incident Occurs, Pressing the Button Sends an Alarm Signal to the Alarm Recipient, Monitoring Center, Etc. in a Timely Manner
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