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WL03A-NB -- NB-IoT None-Position Rope Type Water Leak Controller

65,50 €
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The Dragino WL03A-NB is a NB-IoT None-Position Rope Type Water Leak Controller.


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The Dragino WL03A-NB is a NB-IoT None-Position Rope Type Water Leak Controller. User can lay the WL03A-NB + Water Leak Cable on the ground to detect water leakage. The water leak cable is sensitivity, when there is water over the leak cable. WL03A-NB will indicates a water leak event and uplink to IoT server via NB-IoT network.

The WL03A-NB will send periodically data every 2 hours as well as for each water leak event. It also counts the water leak times and calculate last water leak duration.

WL03A-NB supports different uplink methods including MQTT, MQTTs, UDP & TCP for different application requirement, and support uplinks to various IoT Servers.

WL03A-NB supports BLE configure and OTA update which make user easy to use.

WL03A-NB is powered by 8500mAh Li-SOCI2 battery, it is designed for long-term use up to several years.

WL03A-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.


    NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
    Ultra-low power consumption
    Upload water flow volume
    Water Leak detect
    Multiply Sampling and one uplink
    Support Bluetooth v5.1 remote configure and update firmware
    Uplink on periodically
    Downlink to change configure
    8500mAh Battery for long term use
    Nano SIM card slot for NB-IoT SIM


    Smart Buildings & Home Automation
    Smart Cities
    Smart Factory

NB-IoT Spec:

    NB-IoT Module: BC660K-GL
    Support Bands: B1 @H-FDD: 2100MHz, B2 @H-FDD: 1900MHz, B3 @H-FDD: 1800MHz, B4 @H-FDD: 2100MHz, B5 @H-FDD: 860MHz, B8 @H-FDD: 900MHz, B12 @H-FDD: 720MHz, B13 @H-FDD: 740MHz, B17 @H-FDD: 730MHz, B18 @H-FDD: 870MHz, B19 @H-FDD: 870MHz, B20 @H-FDD: 790MHz, B25 @H-FDD: 1900MHz, B28 @H-FDD: 750MHz, B66 @H-FDD: 2000MHz, B70 @H-FDD: 2000MHz, B85 @H-FDD: 700MHz

Common DC Characteristics:

    Supply Voltage: 2.5v ~ 3.6v
    Operating Tempature: -40 ~ 85°C


Power Consumption:

    STOP Mode: 10 μA @ 3.3v
    Max transmit power: 350mA@3.3v.



    Li/SOCI2 unchargable battery
    Capacity: 8500mAh
    Self Discharge: <1% / Year @ 25°C
    Max continuously current: 130mA
    Max boost current: 2A, 1 second