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Special Design for Lora Radio Module - LoRaWAN Wireless meter reading module – HAC
Module Features 1. Comply with the international general standard LoRaWAN protocol. ● Using OTAA active network access, the module joins the network automatically. ● Unique 2 sets of secret keys are generated in the network for communication encryption, the data security is high. ● Enable ADR function to realize automatic switching of frequency and rate, to avoid interference and improve the quality of single communication. ● Realize automatic switching of multi-channel and multi-rate, effec... -
Professional China iot-module - NB-IoT Non-magnetic Inductive Metering Module – HAC
Module Features ● Powered by 3.6V battery, the battery life can reach 10 years. ● The working frequency band is 7008509001800MHz, no need to apply for a frequency point. ● Peak output power: +23dBm±2dB. ● The receiving sensitivity can reach -129dBm. ● Infrared communication distance: 0-8cm. Technical Specifications Parameter Min Type Max Units Working Voltage 3.1 3.6 4.0 V Working Temperature -20 25 70 ℃ Storage Temperature -40 - 80 ℃ ... -
Special Design for NB-IoT smart gas meter - R160 Wet Type Non-magnetic Coil Water Meter – HAC
Features The data transmission is stable, the network coverage is wide, and the signal is stable and reliable. 10L-bit measurement, high measurement accuracy. Regular wake-up, periodic reporting, and automatically enter a low-power state after communication is completed. Battery under voltage alarm, metering abnormal alarm, attack alarm. The system architecture is simple, and the data is directly uploaded to the management platform. Electromechanical separation, the meter part and the el... -
Hot Sale for Zigbee amr module - NB-IoT wireless meter reading module – HAC
HAC-NBh meter reading system is the overall solution of low power intelligent remote meter reading application developed by Shenzhen HAC Telecom Technology Co., LTD based on NB-IoT technology of Internet of Things. The scheme consists of a meter reading management platform, RHU, and terminal communication module, with functions covering collection and measurement, bidirectional NB communication, meter reading control valve, and terminal maintenance, etc., to fully meet the requirements of w... -
Competitive Price for NB-IoT module for water meter - Ultrasonic Smart Water Meter – HAC
Features 1. Integrated mechanical design with protection class of IP68, able to work in long-term water immersion. 2. No mechanical moving parts and abrasion for long lifetime. 3. Small volume, fine stability and strong anti-interference ability. 4. Use of ultrasonic flow measurement technology, be installed in different angles without affecting measurement accuracy, low pressure loss. 5. Multiple transmission methods, optical interface, NB-IoT, LoRa and LoRaWAN. Advantages 1. ... -