Dragino SW3L Flow Sensors – LoRaWAN, NB-IoT & LTE-M

Dragino SW3L Outdoor Water Flow Sensor

Monitor water flow and usage with the Dragino SW3L Outdoor Water Flow Sensor, integrated with Telemetry2U for practical dashboards and alerts. The SW3L series supports LoRaWAN, NB-IoT and LTE-M variants, making it suitable for sites where you need long range connectivity and reliable remote monitoring of water flow events and consumption.

Looking for a plug-and-play solution with premium support and pricing?

Live Demo

SKU: SW3L-XX
Manufacturer: Dragino
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Network / Power:

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  • Device Only
    Device Only
    Not available
  • Plug-and-Play Configuration [+$300-]
    Plug-and-Play Configuration [+$300-]
    Not available
  • 12 Month Platform Subscription - 1-Month Storage [+$40-]
    12 Month Platform Subscription - 1-Month Storage [+$40-]
    Not available
  • 12 Month Platform Subscription - 3-Months Storage [+$60-]
    12 Month Platform Subscription - 3-Months Storage [+$60-]
    Not available
  • 12 Month Platform Subscription - 12-Months Storage [+$100-]
    12 Month Platform Subscription - 12-Months Storage [+$100-]
    Not available
  • No SIM Card
    No SIM Card
    Not available
  • 1NCE SIM IoT Card [+$80-]
    1NCE SIM IoT Card [+$80-]
    Not available
  • SIMBASE IoT SIM Card [+$80-]
    SIMBASE IoT SIM Card [+$80-]
    Not available
  • Telstra NB-IoT SIM Card [+$80-]
    Telstra NB-IoT SIM Card [+$80-]
    Not available
$135- +GST
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Dragino SW3L Outdoor Water Flow Sensor (LoRaWAN, NB-IoT & LTE-M)

 

The Dragino SW3L Outdoor Water Flow Sensor is designed for long-range, low-power monitoring of water flow and usage across LoRaWAN, NB-IoT and LTE-M networks. It is well suited to applications where visibility of water consumption, flow events, or abnormal usage patterns is required without relying on wired infrastructure.

Multi-Network Connectivity The SW3L platform is available in variants that support LoRaWAN, NB-IoT, and LTE-M, allowing you to select the most appropriate network based on coverage, installation environment, and operational requirements. This flexibility makes it suitable for private LoRaWAN deployments as well as carrier-operated cellular networks.

Designed for Outdoor and Remote Installations Built for outdoor use, the SW3L supports long-term deployment in exposed environments. It is commonly used for monitoring water flow in buildings, infrastructure, irrigation systems, and remote assets where regular manual readings are impractical.

Low Maintenance Operation Battery-powered and solar-powered variants are available, supporting extended operation with minimal maintenance. This makes the SW3L suitable for installations where access is limited or ongoing servicing costs need to be reduced.

Enhanced Monitoring with Telemetry2U While the SW3L can be connected to compatible third-party platforms, Telemetry2U is the recommended option for customers seeking a supported, end-to-end monitoring solution. When integrated with the Telemetry2U IoT platform, water flow data can be visualised on dashboards, logged historically, and used to trigger alerts for abnormal usage or flow events.

 

 

Choose Wireless Network

 

 

Combine Your Device with the Telemetry2U IoT Platform

 

 

Combine your Dragino SW3L device with the Telemetry2U IoT platform to bring water flow monitoring, alerts, and device management into one place. Telemetry2U helps you move from raw flow data to practical outcomes, with clear dashboards, configurable notifications, and tools that support day-to-day operations.

Telemetry2U IoT Platform Features
Telemetry2U IoT Platform Overview

Check out a Live Demo of the Telemetry2U IoT Platform in Action

See how easy it is to add your own Dragino devices to Telemetry2U

Attribute name Attribute value
Features
  • Features: 

    • 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
    • Monitor water waste
    • 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 
Applications

Applications: 

  •  Flow Sensor application
  •  Water Control
  •  Toilet Flow Sensor
  •  Monitor Waste water
Specifications

Common DC Characteristics:

  • Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~ 3.6v
  • Operating Temperature: -40 ~ 85°C

 

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

 

Battery:

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

 

Power Consumption: 

  • STOP Mode: 10uA @ 3.3v
  • Max transmit power: 350mA@3.3v 
Package contents

Package Includes:

  • SW3L-NB NB-IoT Flow sensor x 1
  • External antenna x 1

 

Dimension and weight:  

  • Package Size: 14.5 * 10 * 5 cm
  • Weight / pcs : 290 g