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Smart Metering
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Leading manufacturer of LoRaWAN, NB-IoT, Pulse Readers, AMR Modules, and complete smart metering systems for water, gas, and heat utilities worldwide.

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About HAC Telecom

Shenzhen HAC Telecom Technology Co., Ltd. is a professional IoT solution provider specializing in wireless AMR (Automatic Meter Reading) systems. With years of R&D experience, we deliver reliable, low-power, and scalable metering technologies trusted by utilities and industrial clients globally.

Advanced Technology

Patent-free non-magnetic coil metering, ultra-low power design, and dual-mode LoRaWAN/NB-IoT support ensure future-proof performance.

Global Reach

Deployed in North America, Europe, Asia, Africa, and the Middle East with frequency bands compliant to regional LoRaWAN and NB-IoT standards.

Certified Quality

Products meet international standards with certifications ensuring reliability, security, and long-term field performance.

Our Product Series

Engineered for reliability, longevity, and seamless integration into modern smart metering infrastructures.

LoRaWAN Wireless Meter Reading Module

LoRaWAN Wireless Meter Reading Module

  • • Complies with LoRaWAN protocol (OTAA join)
  • • Dual secret key security
  • • Multi-channel & multi-speed auto-switching
  • • Bubble reporting every 24h
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NB-IoT Meter Reading Module

NB-IoT / LTE-Cat1 / LoRaWAN Module

  • • 10-year battery life (ER26500 + SPC1520)
  • • No network rebuild required
  • • Direct access to cellular base station
  • • Ultra-low power consumption
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LoRaWAN Dual-mode Module

LoRaWAN Dual-mode Meter Reading Module

  • • HAC-MLLW + HAC-GW-LW + Platform
  • • Long-distance communication
  • • Handheld reader support
  • • Full data management system
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NB-IoT Wireless Transparent Module

NB-IoT Wireless Transparent Module

  • • No central gateway needed
  • • 32-bit high-performance MCU
  • • Multiple low-power modes
  • • Supports AT commands
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IP67 Outdoor LoRaWAN Gateway

IP67 Industrial LoRaWAN Gateway

  • • IP67/NEMA-6 rated enclosure
  • • Dual LoRa concentrators (16 channels)
  • • PoE + Surge protection
  • • Backhaul: Wi-Fi, LTE, Ethernet, GPS
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LoRaWAN Indoor Gateway

LoRaWAN Indoor Gateway

  • • SX1302 front-end chip
  • • LoRaWAN 1.0.3 compliant
  • • Wi-Fi AP configuration
  • • PoE powered
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Non-magnetic Metering Module

LoRaWAN Non-magnetic Coil Module

  • • Patent-free non-magnetic tech
  • • High accuracy & reliability
  • • Modular separation design
  • • Ideal for smart water meters
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NB-IoT Non-magnetic Inductive Module

NB-IoT Non-magnetic Inductive Module

  • • 10-year battery life (3.6V)
  • • 700/850/900/1800MHz bands
  • • +23dBm peak output
  • • No frequency license needed
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Pulse Readers for Global Meter Brands

Seamless integration with leading water meters using wireless pulse reading technology.

WR-X Pulse Reader

Universal compatibility with ZENNER, ITRON, ELSTER, DIEHL, Sensus, and more. 10+ year battery life.

LoRaWAN / NB-IoT / LTE Cat.1

HAC-WR-E (Elster)

Monitors anti-disassembly, leakage, and battery status. NB-IoT or LoRaWAN options.

NB-IoT / LoRaWAN

HAC-WRW-D (Diehl)

Compatible with dry single-jet Diehl meters. Resistant to magnetic interference.

NB-IoT / LoRaWAN

HAC-WR-Z (ZENNER)

Fits all ZENNER non-magnetic meters. Low cost, high reliability, scalable.

NB-IoT / LoRaWAN
Request Compatibility List

Why Choose RF Module China?

10-Year Battery Life

Ultra-low power design ensures minimal maintenance and long-term reliability.

Multi-Protocol Support

LoRaWAN, NB-IoT, LTE Cat.1, Cat-M1 — adapt to any network infrastructure.

Anti-Tamper & Diagnostics

Leak detection, anti-disassembly alerts, and remote firmware updates.

Global Frequency Support

EU433, CN470, EU868, US915, AS923, AU915, IN865, KR920 — compliant worldwide.

10+
Years Battery Life
6
Main Product Lines
50+
Countries Served
100K+
Modules Deployed

Frequently Asked Questions

What is the difference between LoRaWAN and NB-IoT?

LoRaWAN uses unlicensed spectrum with long range and low power, ideal for private networks. NB-IoT uses licensed cellular bands, offering deep indoor penetration and seamless integration with existing mobile networks.

Do your modules support OTA updates?

Yes, all our LoRaWAN and NB-IoT modules support remote firmware updates for enhanced functionality and security patches.

Can I use your pulse readers with my existing meters?

Yes, our WR-X and branded pulse readers are designed for compatibility with ZENNER, Elster, Diehl, Itron, Sensus, and other major brands. Contact us for a full compatibility list.

Do you offer OEM/ODM services?

Yes, we provide full OEM/ODM support including custom firmware, branding, packaging, and technical documentation.

Get in Touch

For product inquiries, technical support, or OEM/ODM collaboration.

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