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NB-IoT wireless RF transmitter module – designed for water, gas, and heat meters. Triggered via infrared or magnetic activation, with 433 MHz reading capability and a battery life exceeding 10 years.
This document presents key specifications of the HAC brand HAC-NBh NB-IoT wireless meter reading RF transmitter module, manufactured in Guangdong, China. It adopts chipset SX1278, SX1276 and BC35-G, with customizable supply options and a service life of at least 10 years on battery power. Supporting multiple global frequency bands including EU433, CN470, RU864, IN865, EU868, US915, AU915, KR920 and AS923, the module delivers a communication distance exceeding 20 kilometers. Its core capabilities cover metering data collection, two-way data communication, valve remote control and near-end equipment maintenance. The complete system consists of a meter reading management platform, handheld terminals and this NB communication module; matching supporting accessories include infrared debugging tools, handheld readers, data management platforms and dedicated mobile APPs. In terms of packaging and logistics, the product is sold as single units, with individual package dimensions of 5.5×3.01×0.38 cm and a gross weight of only 0.009 kg, mainly applied in wireless remote meter reading scenarios.
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The camera directly reads the water meter data, enabling a smart upgrade without the need to replace existing water meters.
Extended Battery Life with Flexible Power Options
Equipped with replaceable Type C and Type D batteries, the device can operate for 10+ years, minimizing maintenance and environmental impact. In an Asian residential project, meters operated for over a decade without battery replacement.Multiple Transmission Protocols
Supporting NB-IoT, LTE Cat.1, and Cat-M1, the WR-X ensures reliable data transfer under diverse network conditions. In a Middle Eastern smart city initiative, NB-IoT connectivity enabled real-time water monitoring across the grid.Intelligent Features for Proactive Management
Beyond data collection, the WR-X integrates advanced diagnostics and remote management. In Africa, it detected an early-stage pipeline leak at a water plant, preventing losses. In South America, remote firmware updates added new data capabilities in an industrial park, enhancing operational efficiency.
Combining compatibility, durability, versatile communication, and intelligent features, the WR-X is an ideal solution for urban utilities, industrial facilities, and residential water management projects. For organizations seeking a reliable and future-proof metering upgrade, the WR-X delivers proven results worldwide.With IP68 protection, the meter withstands dust, dirt, and prolonged immersion for use in harsh conditions. AI image recognition captures dial images and converts them to accurate digital readings, reducing errors and improving billing accuracy. LoRaWAN and NB‑IoT support enables remote reading and image retrieval, cutting labor costs and raising efficiency
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NB-IoT/LoRaWAN Water Meter with Non-magnetic Coil Sensor — Customizable, OEM and ODM Services Available
This product is the NB-IoT/LoRaWAN water meter (model Airwink) under the Airwink brand, manufactured in Guangdong, China, and supports OEM and ODM services. It adopts Espressif or LoRaWAN chipsets, operates on NB-IoT or LoRaWAN frequency bands, and is built with a non‑magnetic coil sensor. Featuring low power consumption (operating current < 20 µA) and long‑range transmission, it is widely used in water meter AMR systems and NB‑IoT solutions, with a battery life of over 8 years.
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Magnetoresistive Flow Sensor
The HAC-SEN-E07C Magnetoresistive Measurement Sensor from trusted brand HAC is a high-precision flow sensor purpose-built for compatibility with various Hall-effect water meters, delivering accurate, reliable water flow measurements critical for efficient water management. Boasting an IP68 waterproof rating, this sensor is engineered to withstand harsh, water-exposed environments, offering exceptional durability ideal for heavy-duty, long-term use. Designed for seamless, hassle-free installation with matched water meters, it prioritizes user convenience, while its advanced magnetoresistive metering technology ensures consistent, dependable performance. Backed by HAC’s reputation for quality, the sensor combines robust construction and cutting-edge design to meet the demands of reliable smart metering operations.
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Indoor LoRaWAN Gateway，Long-range Coverage ，Wireless Meter Reading，433/868/915MHz
The Airwink WR-X Indoor LoRaWAN Gateway is a versatile IoT solution purpose-built for applications such as wireless meter reading for electricity meters. Designed for indoor use with a lightweight plastic shell, this device offers robust connectivity flexibility, supporting simultaneous Ethernet, WIFI, and 4G connections alongside Bluetooth connectivity. It operates in compliance with LoRaWAN Class A and Class C working modes, supporting both LoRaWAN and narrowband protocols, and includes an optional built-in NS server capable of handling up to 8 LoRa channels. Powered by a battery and equipped with a multi-protocol chipset supporting LoRa, LoRaWAN, and NB-IoT technologies, the gateway features integrated GPS, 4G, and WIFI antennas, paired with an external LoRaWAN omni-directional high-gain antenna for enhanced coverage. Manufactured in Guangdong, China, this offering from IoT provider Airwink is sold as a single unit.
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Smart Water Meter Pulse Reader for Real-Time Monitoring and Data-Driven Management
The WR-X enables real-time water consumption monitoring and data-driven decision-making. Featuring infrared upgrade, magnetic trigger reporting and optional touch reporting functions, it ensures timely data collection and boosts operational efficiency for utility and industrial users.It is compatible with a variety of world-renowned water meter brands, including ZENNER, INSA (SENSUS), ELSTER, DIEHL, ITRON, BAYLAN, APATOR, IKOM and ACTARIS.It can adapt to multiple water meter models merely by replacing the base, which significantly shortens the product delivery cycle.The device is fitted with replaceable batteries (Size C and Size D compatible), ensuring a service life of over 15 years. It provides customizable wireless remote transmission solutions, including LoRaWAN, NB-IoT, LTE-Cat1 and Cat-M1. It also supports intelligent functions such as automatic equipment anomaly monitoring and remote upgrade, catering to the demands of various industries.This Pulse Reader is used for remote wireless meter reading,and Compatible with multiple brands ofwater meters.lt is a low power product.lntegrating non-magnetic measurement acquisition and wireless
Communication transmission, This produet support wireless remote transmission such as LoRaWAN,NB loTLTE Catl,Cat M1.etc.
The product support smart functios which can monitor abnormal states in real time,and the meter reading suecess rate can be up to 99.94%.
