The AMI system is centered on intelligent remote reading and management, with IoT and cloud computing as the core, including intelligent data acquisition system, intelligent device control center, settlement system, office automation OA system, etc., to achieve intelligent management.

The property management system, with the Internet of Things and cloud computing as the core, realizes intelligent integrated management of public areas, residential buildings and shops through the office automation OA system. It includes owner management platform, public area data supervision system, automatic meter reading system and financial management system to save management costs and provide management efficiency.

The apartment management system, with the Internet of Things and cloud computing as the core, realizes intelligent management through the office automation OA system, including the intelligent equipment system, financial management system, and office automation OA system.

The water management system is centered on intelligent remote reading, with Internet of Things and cloud computing as the core, including intelligent data acquisition system, settlement system, financial management system, office automation OA system, etc., to achieve intelligent management.

Based on Web mode of B/S construction, Witlink Cloud is a novel mixed energy monitoring and management system.

Based on goals of developing IoT technologies, saving energy and reducing emission, integrating home devices, enriching user applications, etc., Witlink App constructs a comprehensive smart energy monitoring and management system targeted at IoT from the perspective of integrating multiple energy network monitoring, management and applications. Current version only supports Android.

This water meter uses LoRaWAN / NB-IoT / Wireless M-Bus technology to realize remote wireless meter reading and avoid the trouble of traditional wired water meter wiring. The water meter complies with LoRaWAN / NB-IoT / Wireless M-Bus communication protocol standards. Under normal use environment, the battery (ER18505) can serve more than 5 years and can be replaced easily, which helps to reduce the cost of installation and maintenance. The mechanical part and the electronic part can be separated independently, which can be flexibly used for on-site deployment. The built-in anti-shear mechanism can effectively monitor abnormal operations. Operators can use smart energy system to remotely manage and maintain water meters.

This water meter realizes remote wireless meter reading via LoRaWAN(NB-IoT, Wireless M-Bus, optional) communication technology, avoiding the trouble of traditional wired water meter wiring. The water meter complies with LoRaWAN(NB-IoT, Wireless M-Bus, optional) communication protocol standard. Under normal use environment, the battery (ER18505) life can reach more than 5 years. Battery replacement is simple and reliable, and installation and maintenance costs are low. The body is made of environmentally friendly plastic, light and durable. Users can realize remote management and maintenance of water meters through the SES(smart energy system).

This water meter realizes remote wireless meter reading via LoRaWAN or NB-IoT or Wireless M-Bus(optional), avoiding the trouble of traditional wired water meter wiring. The water meter complies with LoRaWAN or NB-IoT or Wireless M-Bus protocol standards(optional) , and has the advantages of low power consumption, long battery life, simple installation and so on. The water meter supports battery replacement, which is convenient and quick to operate and reduces installation and maintenance costs. The SES(smart energy system) enables remote management and maintenance of water meters, real-time water consumption data reporting and remote valve control through two-way communication, which helps water companies to improve operating efficiency, reduce non-profit water use, effectively use water resources, and protect the environment. While realizing the intelligent management of the water company, the customer experience can be improved through services such as online payment, settlement, water management, and maintenance reporting.

The gateway is a new generation of LoRa outdoor gateway compatible with LoRaWAN, which can push data to the cloud via Ethernet or 4G communication for remote data transmission. At the same time, support class A & C mode, support channel monitoring, adaptive rate adjustment, GPS timing and other functions, can achieve more complex applications in outdoor open environment, measured LOS (line line of sight) up to 7 kilometers (Note: with our terminal test ).

The gateway is a new generation of LoRa indoor gateway that is fully compatible with LoRaWAN. It can push data to the cloud through Ethernet or 4G communication to realize remote data transmission. At the same time, it supports class A&C mode, supports channel monitoring, adaptive rate adjustment and other functions, enabling more complex applications. The gateway is small in size, small in footprint, and easy to install and maintain.

This Indoor gateway uses LoRaWAN technology from Semtech and is complied with specification defined by LoRa Alliance. This gateway has one 1.5 dBm LoRa antenna port, the LoRa interface operates in sub-Giga hertz (915/920/868/433/470 MHz…) and with WiFi IEEE 802.11b/g/n/2.4GHz as Access Point function. One Ethernet port as WAN application; with USB2.0 for extension use on the 2G/3G/4G dongle.

An IoT gateway product of advanced technology, stable performance and reliable operation. Based on Linux operating system, W110A adopts mature GPRS/EDGE/WCDMA/Ethernet communication technologies to build uplink data link. Its interior adopts completely modular structure. The communication module can be selected and replaced.

Electric, water, gas and thermal meter reading repeater, an IOT gateway product of low cost, stable performance and reliable operation, is used in convenient RF Mesh and Wireless M-Bus network layout. It can be applied in reading of various meter types (electric, water, gas and thermal meters) to enlarge network coverage and enhance on-field adaptability, rendering a more flexible network layout.

Wireless M-Bus gateway, an IOT gateway product of low cost, stable performance and reliable operation, is used in convenient Wireless M-Bus network layout, enabling a faster and more flexible data uploading.

Data transmission unit, an IoT gateway product of low cost, stable performance and reliable operation, is used in convenient RF Mesh network layout, enabling a faster and more flexible data uploading.

HHU, an Android-based mobile computer, it features a powerful processor, long lasting battery, stable wireless connectivity, high-resolution camera, accurate GPS, NFC and optional 1D/2D barcode scanning. HHU can process data sent back by devices, and store data and send it to PC for processing via USB/GPRS/WIFI. Software supports remote upgrading. Protocol, function and display interfaces can be configured flexibly in line with needs.

Based on Windows CE/Windows Mobile system, this product can help stuff work more efficiently and comfortably. With excellent ruggedness, ergonomic features, good performance in any environment, and outstanding flexibility, one single equipment can satisfy various needs in mobile field service, logistics, warehousing, transportation, manufacturing, energy, etc.

Based on Windows CE system, this product can collocate with a series of advanced data collection modules, realizing automatic, rich and accurate data collection in various industries, thus simplifying tasks, raising work efficiency, shortening response time and improving customer service. P2P and broadcast communication are realized by wireless function, thus monitoring and managing DN and distributed devices. HHU can process data sent back by devices, and store data and send it to PC for processing via USB/GPRS/WIFI. Software supports remote upgrading. Protocol, function and display interfaces can be configured flexibly in line with needs.

A smart grid terminal product of advanced technology, stable performance and reliable operation. Based on Linux operating system, W110A adopts mature GPRS/EDGE/WCDMA/Ethernet communication technologies to build uplink data link. External module is plug-and-play.Manage data collection, data storage, data processing, monitoring and management of metering terminals or other devices. It is the central device to connect the master station system and can perform relevant functions including data pass-through.

WL51XP can be used with PC, mobile phone, vehicle USB, mobile charger, multi-functional socket, etc. to communicate with DN in the Mesh network, rendering PC/mobile functions like UN.

WL51XH can be used with PC, mobile phone, vehicle USB, mobile charger, multi-functional socket, etc. to communicate with DN in the Mesh network, rendering PC/mobile functions like UN.

WL36XM can work as a UN (user node), provide links between diferent terminal devices and connect them into the micro power neighborhood area network based on various RF con¬fguration and serial parameters, meanwhile, collecting and transmitting data to the DN. This module is an excellent choice for low cost, high performance, long range communication solution in AMR/AMI/IoT application scenarios.

WL36XS can work as a DN, supports Class A mode and Class C mode both which are defned in the LoRaWAN standard protocol. It works on Class A mode by default and can be customized to Class C mode by users. It enables terminal devices connected to LoRa network, meanwhile, collecting local terminal device data, recording, reporting, and responding according to remote application operations, such as the parameter setting, real-time data reading and valve controlling. The module is an excellent choice for high-performance, long-distance and wide coverage solutions in AMR/AMI/IoT application scenarios.

The WL335 module is a functional remote transmission module based on NB-IoT. Combined with specific industry applications, users can complete the process of developing mass production deployment in the shortest time without concern for the specific protocols and applications of NB-IoT. Based on the established server IP, the application layer data transparent interaction with the remote data center can be realized. This module is an excellent choice for low cost, low power, high performance, long range communication solutions for AMR/AMI/IoT applications.

WL35X wireless M-Bus module is a high performance wireless communication module developed by Witlink. It complies with European standards EN 13757-3 and EN 13757-4 and supports wireless M-Bus mode S, T, R2 and C. User can configure module working mode via AT command sent through UART to satisfy needs of various applications. WL35X adopts high performance wireless chip to achieve an excellent communication. Boast of low power, it is ideal for battery-operated scenes which have a strict requirement for power consumption. With smaller dimension, the module is better for PCB layout and is much easier to be embedded in the target system.

WL31XG module works as CN in fast wireless transmission Mesh Network, being responsible for forming, managing and operating micro-power network. Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

WL31XM module, as UN in the fast wireless data transmission Mesh network, can directly communicate with DN so as to satisfy the need for direct access to the terminal equipment of customer device (e.g. HHU). Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

WL31XS module can be set as DN (Distributed Node) in fast wireless data transmission Mesh network, connect and collocate with terminal devices linked to the micro-power network, and finish relay and collection of network data. It can also set as UN (User Node) so as to realize customer device’s collection and synchronization of terminal data. Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

WL32XS module can be set as DN (Distributed Node) in fast wireless data transmission P2P+ application network, connect and collocate with terminal devices linked to the micro-power network, and finish data pass-through and collection. It can also set as UN (User Node) so as to realize customer device’s self-recognition, one-key collection and synchronization of surrounding terminal facilities. Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

Wireless M-Bus water meter module is used in traditional water meter transformation, sending water meter data to the appointed Master device in the Wireless M-Bus network and collecting the data.

Wireless M-Bus gas meter module is used in traditional gas meter transformation, sending gas meter data to the appointed Master device in the Wireless M-Bus network and collecting the data.

WL410G/WL411G/WL412G module works as CN in fast wireless transmission Mesh network, being responsible for forming, managing and operating the micro-power network.Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

WL410T/ WL411T/ WL412T module works as DN (Distributed Node) in fast wireless data transmission Mesh network, connect and collocate with terminal devices linked to the micro-power network, and finish relay and collection of network data. Applicable to AMR/AMI/IoT, it offers best solution for low power consumption, low cost, high efficient, and long distance communication.

WL410S/ WL411S/ WL412S module works as DN (Distributed Node) in fast wireless data transmission Mesh network, connect and collocate with terminal devices linked to the micro-power network, and finish relay and collection of network data

WL413G module works as CN in fast wireless transmission Mesh Network, being responsible for forming, managing and operating micro-power network. This module is plug-and-play, making field construction quite simple. Applicable to AMR/AMI/IoT applications, it can automatically maintain network and gradually realize self-optimization during long-term communication process.

WL413S module works as DN in fast wireless transmission Mesh network, connects and collocates with terminal devices linked to the micro-power network, and finishes relay and collection of network data. This module is plug-and-play, making field construction quite simple. Applicable to AMR/AMI/IoT, it can collect and calculate RSSI and SNR, providing reference data for mesh and PLC communication environment.

WL413T module works as DN (Distributed Node) in fast wireless data transmission Mesh network, connect and collocate with terminal devices linked to the micro-power network, and finish relay and collection of network data. This module is plug-and-play, making field construction quite simple. Applicable to AMR/AMI/IoT, it can collect and calculate RSSI and SNR, providing reference data for mesh and PLC communication environment.

WL1126 is a high performance power line carrier (PLC) chip. Adopting advanced digital-analog hybrid design technologies, it offers PLC data communication of low power, high sensitivity and strong anti-interference capacity, realizing various data transmission and remote metering applications. Being surface-mounted and play without additional programming, the chip is quite easy for customers to use.

WL500H supports standard USB port. 5V and 3.3V voltage output are optional, satisfying voltage needs of various built-out devices. Upper computer provides two sets of controllable GPIO by managing DTR/RTS.