Overview
The Bluetooth NB Smart Lock integrates Bluetooth Low Energy (BLE) and Narrowband IoT (NB-IoT) technologies to enable secure, wireless access control. Unlike traditional locks, it eliminates physical keys, reducing duplication risks and enabling dynamic access permissions via smartphones or centralized management systems. Designed for B2B applications, these locks are commonly deployed in smart apartments, co-working spaces, and utility cabinets. Their dual-communication capability ensures reliable operation even in areas with intermittent Bluetooth connectivity by leveraging NB-IoT’s wide-area coverage.
Structure and Working Principle
Structurally, the lock consists of a motorized deadbolt mechanism housed in a corrosion-resistant zinc alloy body. The internal PCB board hosts the BLE/NB-IoT module, powered by 4–8 AA batteries with low-power consumption designs. When a user attempts access, the lock verifies credentials via encrypted BLE signals from a paired device or cloud-based NB-IoT commands. Tamper detection sensors trigger immediate alerts, while audit logs record entry timestamps for compliance purposes.
Key Features
1. **Dual Connectivity**: Combines short-range BLE for user proximity detection with NB-IoT for remote administration, ensuring uninterrupted functionality. 2. **Scalable Management**: Supports batch configuration for large installations (e.g., hotel chains) through OEM software platforms. 3. **Battery Efficiency**: Ultra-low-power design with 12–24 months battery life, supplemented by low-battery warnings. Advanced models offer fingerprint/FIDO2 authentication and emergency power via USB-C, catering to high-security environments.
Application Areas
**Residential**: Airbnb hosts use these locks for self-check-in via temporary codes. **Commercial**: Property managers automate access for tenants or service personnel. **Industrial**: Secures telecom cabinets and electrical panels with real-time breach alerts. In smart cities, NB-IoT-enabled locks facilitate municipal asset management, such as public bike-sharing locks or utility meter boxes, due to their network reliability and GPS-free tracking.
Maintenance and Precautions
Routine maintenance involves cleaning the bolt mechanism with isopropyl alcohol and ensuring O-ring seals remain intact to prevent moisture ingress. Avoid exposing the lock to temperatures beyond -20°C to 60°C to preserve battery and component longevity. For firmware, enable auto-updates to patch vulnerabilities. B2B buyers should verify IEC 62280 cybersecurity certification to mitigate hacking risks in large deployments.
B2B Procurement Guide
When sourcing Bluetooth NB locks wholesale, prioritize manufacturers with ISO 9001 certification and minimum order quantities (MOQs) under 500 units for cost efficiency. Request samples to test API compatibility with existing property management systems like MRI Software or Yardi. Negotiate SLA terms for NB-IoT data plans, as some providers bundle connectivity with the hardware. Lead times typically range 4–8 weeks; expedited production may incur 15–20% premiums.
Related Manufacturers
- 主营：折叠床、地磁传感器、共享童车、nb链条锁、扫码开锁、共享智能锁、共享收纳柜锁、共享陪护床、共享儿童推车、共享遛娃车
- 主营：控制器、智能井盖、智慧井盖、灵性锁、基站锁、光交锁、交箱锁、柜门锁、机柜锁、井盖锁、智能锁具、蓝牙刷卡、机房门锁、智能门锁、加锁井盖、交接箱锁、配电柜锁、机柜智能锁、机房门禁锁、井盖电子锁、智能机房锁、智能电子锁、远程开关、监测终端、智慧窨井盖
- 主营：共享锁、NB智能锁、NB单控锁、NB多控锁、物联锁、共享陪护床、共享轮椅、共享陪护椅
- 主营：防腐外壳、交通管控、车流调度、物联网车位锁、流量监测、泊位管理、双模地磁、地磁外壳、地磁感应器、车位检测器、太阳能供电、地磁检测器、智能停车场、地磁车检器、道路停车地磁、智慧停车系统、车位引导地磁、路边停车地磁、地磁车位感应器、地磁车位传感器
- 主营：无源锁、智能井盖锁、智能挂锁、智能箱变锁、智能机柜锁、智能防撬锁、智能巡检锁、智能把手锁、无源电子锁、智能锁控系统、无源挂锁、铁路无源锁、智能无源挂锁、智慧锁控系统、智慧井盖
- 主营：平面车位锁、地埋式车位锁、新能源车位锁、充电桩管控车位锁
- 主营：合页、风机、电气柜、舱门锁、电器锁、连杆锁、圆柱锁、房车锁、搭扣锁、按压锁、平面锁、电子锁、配电箱锁、开关柜锁、转舌锁、执手锁、电柜箱锁、按钮锁、密码锁、工业柜锁、把手锁、储能锁、提拉手、铰链、小电机
- 主营：共享折叠床、医院陪护床、共享陪护椅、共享智能锁、蓝牙共享椅、nb智能陪护锁、nb蓝牙共享床、陪护床蓝牙锁、智能4G锁、4G智能陪护锁、共享轮椅锁、智能钢板锁、智能插棒锁、无线智能陪护锁、4G陪护床、共享陪护床架、儿童输液椅、陪护椅投放合作、钢制折叠陪护床、门诊儿童输液椅、亲子双人输液椅、共享床头柜、床头柜式陪护床、共享陪护床
- 主营：食堂消费机、手环自助收发机、企业班车管理系统、智能门锁、班车刷卡机、食堂人脸消费机、电子学生证、食堂刷卡机、公交刷卡机、校园一卡通、班车人脸机、校车刷卡机、校园接送管理系统、智能电子学生证、云消费平台、水控机、人脸团餐机
- 主营：阀门定位器、电磁阀、计量泵、液位计、传感器、液位开关、变送器、流量计、流量开关、限位开关、接近开关、行程开关
- 主营：巡逻机、gps巡检、巡更棒、巡检锁、柜子挂锁、箱控制锁、无源电子锁、机柜锁、智能挂锁、物联网锁、电子锁、巡检机、巡更机、金万码、gprs巡检、校园巡逻、巡逻设备、巡检装置、保安巡逻、投标设备、物流巡逻、智能安保、保安巡更、手机巡检
- 主营：分析仪、监测仪、报警仪、吸气臂、无人船、测量仪、臭氧计、均质器、风速仪、均浆机、黑度仪、电子秤、测定仪、传感器、计数器、采样器、传声器、混匀仪、流量计、机器人、控制器、测试仪、试验箱、水浴锅、离心机
- 主营：酒店锁、联网锁、宿舍智能锁、学校校园智能锁、民宿智能锁、公寓联网锁、联网门锁系统、可视智能门锁、人脸识别智能锁、刷卡门锁系统
- 主营：电子巡更系统、巡更棒、巡检器、智能锁控系统、无源电子锁、机柜锁、工业锁、五防锁、电气锁、上锁挂牌、巡更机、巡更打点器、手机巡检、二维码巡检、NFC巡检、点检仪
- 主营：智能挂锁、智能门锁、电力机柜锁、智能井盖锁、智能把手锁、智能防撬锁、智能车把手锁、智能防火门锁、智能无源机柜锁