Send Message
Shenzhen Ofeixin Technology Co., Ltd
Home >

China Shenzhen Ofeixin Technology Co., Ltd Company Cases

WIFI HaLow: An Integral Component of Smart Homes

As the number of smart home devices continues to grow, we are witnessing the limitations of traditional wireless connectivity technologies in accommodating the expanding network of home automation devices. The increasing device count leads to congestion in home networks, and operating on the same popular frequency bands can result in signal interference and performance issues.   Wireless Interference: One of the challenges faced by smart homes is wireless interference. The proliferation of wireless devices in homes, coupled with the growing number of different wireless standards operating in corresponding frequency bands, increases interference between devices. Users may experience frustration due to interference when using these devices. This is where the advantages of WIFI HaLow come into play. In comparison to traditional wireless standards, WIFI HaLow operates at lower frequencies and can deploy over 26 non-overlapping channels. It exhibits better resistance to interference in crowded WIFI environments with numerous sources of interference, such as those found in smart homes.   High Coverage: We have all encountered areas in our homes with weak or no WIFI signal. WIFI HaLow addresses this issue with its powerful signal penetration and long-range capabilities. Unlike traditional IoT devices that may experience poor or unavailable wireless signals even within the access point's range, ordinary WIFI access points may struggle to connect to outdoor smart devices like cameras, weather sensors, and sprinkler systems. WIFI HaLow, however, does not face such limitations. Operating in the Sub-1 GHz range, it can reach the boundaries of a home and penetrate through objects that standard WIFI cannot reach. With its longer wavelength and lower transmission frequency compared to common home wireless standards, WIFI HaLow signals can better pass through obstacles and walls, providing greater flexibility in positioning smart home devices without the need for complex mesh networks or multiple access points.   Security: WIFI HaLow adheres to the same security standards as conventional WIFI, such as WPA3. This helps maintain the integrity and security of home networks according to the same standards as your current WIFI network settings. WPA3 is mandatory for WIFI HaLow certified devices, ensuring robust authentication, enhanced encryption for highly sensitive data, and the resilience of the network. With the adoption of WIFI HaLow, legacy devices using older security protocols are no longer a potential vulnerability in the network.   Low Power Consumption: Existing smart homes often rely on power sources, especially for household appliances abroad. Effectively reducing power consumption to meet national device energy consumption standards becomes crucial. Moreover, devices powered by internal batteries impose even stricter power requirements, posing further challenges. WIFI HaLow, designed specifically for IoT devices, provides an effective solution by lowering power consumption and extending battery life. In comparison to existing WIFI technologies, HaLow addresses the shortcomings of high power consumption and short transmission distances, making it a wireless standard suitable for low-power micro-data transmissions, particularly showcasing significant advantages in the smart home domain. While communication protocols like Zigbee, BLE, and Enocean also boast low power consumption characteristics, WIFI HaLow's uniqueness lies in combining existing WIFI technology with low-power design. This fusion allows WIFI HaLow to comprehensively meet the requirements of various application scenarios for low power and long battery life in smart home devices.   In conclusion, WIFI HaLow, as a crucial component of the smart home sector, brings new hope to overcome the limitations of traditional wireless connectivity technologies. With the rapid growth of smart home devices, WIFI HaLow, with its low power consumption, interference resistance, powerful signal penetration, and security standards aligned with WPA3, provides support for the sustainable development of smart homes. It not only excels in congested WIFI environments but also eliminates dead zones, enabling seamless connectivity for smart home devices, offering users a more intelligent, convenient, and secure home experience.   If you would like to learn more about WIFI HaLow, please visit our official website at QOGRISYS and feel free to contact our team of experts. Let's explore innovative ways to advance smart home technology together. We look forward to collaborating with you to drive the development of intelligent, convenient, and secure homes in the future.

QOGRISYS WIFI HaLow Module: 4108E-S

In the past decade, WIFI technology has bridged networks for billions of smart interconnected devices in homes and businesses, facilitating the rapid exchange of information. However, current WIFI standards face challenges, including limitations in protocol range and overall functionality. These challenges make communication over longer distances difficult, hindering the formation of a truly interconnected ecosystem for smart devices. To meet the needs of low-power IoT clients and accelerate innovation in IoT applications, WIFI HaLow technology has emerged based on the IEEE 802.11ah standard. In comparison to traditional WIFI, WIFI HaLow can connect up to 8,192 IoT devices over longer distances and with lower power consumption through a single wireless access point (AP). The introduction of this technology is expected to break the limitations of communication distance, creating broader possibilities for the interconnection of smart devices.   QOGRISYS Technology's WIFI HaLow module, the 4108E-S, powered by the Morse Micro MM6108 chipset, represents a significant innovation in the wireless communication field. The introduction of this module will provide a more powerful and efficient connectivity solution for IoT applications. The module caters to unique requirements in various application scenarios, including smart cities, access control systems, smart agriculture, smart retail, and smart homes, offering a stable, reliable, and secure connection service for a broader range of indoor and outdoor IoT applications. Key features of the WIFI HaLow module 4108E-S include: Smaller Size: The 4108E-S has a compact size of 13.0 x 13.0 x 2.1mm, meeting the demand for small modules in end-user products and consequently reducing the volume and deployment costs of customer products. Rich Peripheral Interfaces: The 4108E-S supports SDIO 2.0 interface and SPI mode operation, along with various peripheral interfaces such as a general I2C interface, UART interface, and GPIO interface. This provides users with greater flexibility, enabling easy integration into different applications.   Extended Coverage Range: Operating in the 902 – 928MHz frequency band, the module demonstrates exceptional coverage performance with strong penetration capabilities. It operates in a Sub-1GHz frequency band, reducing interference and achieving widespread coverage over long distances, exceeding the range of traditional WIFI. Lower Power Consumption: Supporting selectable 1/2/4/8MHz channel bandwidths, the module accommodates data throughput ranging from 3.333 Mbps to 32.5 Mbps. This allows devices to operate for extended periods in low-power modes, minimizing the need for frequent charging or battery replacement. Enhanced Security: The 4108E-S module provides multi-layered security features, including encryption (AES), hash algorithms (SHA-1/SHA-2), Protected Management Frames (PMF), and Opportunistic Wireless Encryption (OWE). These features ensure the confidentiality and integrity of wireless communication, making the 4108E-S module a reliable wireless communication solution suitable for various scenarios, including those with high-security requirements.   Currently, QOGRISYS Technology's WIFI HaLow module, the 4108E-S, has been launched, primarily targeting the North American and South American markets (902-928MHz). As the Internet of Things (IoT) continues to mature and diversify, QOGRISYS Technology is committed to continuous innovation, increased research and development efforts, enhanced product performance, and gradually propelling the IoT into a new era characterized by scalability, security, low power consumption, and remote capabilities.        

The difference between WiFi HaLow and traditional WiFi

When we talk about wireless network connections, we find that WiFi has become an indispensable part of our daily lives, carrying more than half of the internet traffic and being widely used in various settings such as homes, schools, and entertainment venues. However, despite the prevalence of protocols like WiFi 4, WiFi 5, and WiFi 6, with the rapid growth of the Internet of Things (IoT), there is a need to reconsider the limitations of traditional WiFi in meeting these emerging demands.   Emerging commercial IoT models place higher demands on remote connections and low power consumption. This demand has driven the need for a new WiFi protocol, known as WiFi HaLow, sometimes pronounced as "HEY-low."   The WiFi HaLow protocol was initially approved by the IEEE 802.11ah task group in 2016 and was named WiFi HaLow by the WiFi Alliance. It is a low-power, long-range, and more versatile version of WiFi. By filling in the technological gaps in WiFi, WiFi HaLow is designed to meet the specific requirements of IoT devices.   Compared to traditional WiFi, WiFi HaLow has many significant differences:   Highly scalable solution: A single WiFi HaLow Access Point (AP) can address up to 8191 devices, more than four times that of a traditional WiFi AP. In the foreseeable future, WiFi HaLow is capable of connecting every LED bulb, light switch, smart door lock, motorized curtain, thermostat, smoke detector, solar panel, security camera, or any imaginable smart home device. While a typical home WiFi router generally supports dozens of devices, when deployed in homes by broadband service providers, a single WiFi HaLow AP can serve as a scalable platform for additional security and utility management devices and services. Multiple signaling options reduce the overhead required for managing and controlling a large number of HaLow devices, minimizing signal conflicts and releasing radio waves for active devices to transmit more data at the fastest possible MCS rates. Like traditional WiFi, HaLow can automatically adjust bandwidth based on signal integrity and distance from the AP. The star topology of WiFi HaLow, along with its excellent penetration, extensive coverage, and vast capacity, liberates connectivity from the complexities and bandwidth constraints of mesh networks. This simplifies network installation, significantly reducing overall deployment costs.   Low Power Consumption: WiFi HaLow requires much lower power compared to traditional WiFi. While traditional WiFi can use wide bands in the 2.4 GHz, 5 GHz, and 6 GHz frequency ranges for fast transmission of high-definition video content and downloading large documents, these WiFi connections have a limited effective range and quickly deplete battery power. This often necessitates frequent recharging or battery replacement. However, WiFi HaLow prioritizes energy efficiency by employing low-power technologies and various complex sleep modes specified by the IEEE 802.11ah standard. These features allow HaLow devices to operate for extended periods in extremely low-power states, conserving battery energy. This enables IoT devices to work for longer durations, making WiFi HaLow a better choice for energy-constrained IoT devices.   Broader Coverage Range:   The 802.11 standard covers a very wide frequency range, from sub-GHz to millimeter-wave (mmWave). Wi-Fi HaLow is the first Wi-Fi standard to operate in the license-exempt sub-GHz frequency band. It provides data rates ranging from a few hundred kb/s to several tens of Mb/s, with transmission distances extending from tens of meters to over one kilometer. In comparison to the narrowest 20MHz channels used by traditional Wi-Fi, Wi-Fi HaLow's sub-1 GHz signals employ even narrower channels, ranging from 1MHz to narrower widths. Due to lower thermal noise in the channels, this 20x bandwidth reduction translates to a 13 dB improvement in link budget. In contrast to traditional 2.4 GHz Wi-Fi, the RF frequencies between 750 MHz and 950 MHz require an additional 8 dB to 9 dB of link budget, thereby saving on free-space transmission losses. Additionally, the Wi-Fi HaLow protocol introduces a range-optimized modulation and coding scheme (MCS10), offering an additional 3 dB improvement in link budget. In summary, compared to traditional 2.4GHz IEEE 802.11n (Wi-Fi 4), Wi-Fi HaLow provides up to a 24dB improvement in link budget. When compared to the higher frequency and wider bandwidth 802.11ac (Wi-Fi 5) and 802.11ax (Wi-Fi 6/6E) protocols, Wi-Fi HaLow's link budget advantage is further enhanced, especially considering its use of the wider 5GHz and 6GHz spectra. This explains why the transmission distance of Wi-Fi HaLow signals is ten times that of traditional Wi-Fi without the need for network extenders.   Security: WiFi HaLow provides robust security features. It is an inherently secure wireless protocol that supports the latest WiFi authentication requirements (WPA3) and Over-The-Air (OTA) AES encryption, allowing secure OTA firmware upgrades with its data rates. Additionally, it supports native IP, meaning it can communicate directly with the internet, making it easier for IoT devices to connect to cloud services. In conclusion, WiFi HaLow, as a protocol designed for IoT devices, provides an ideal solution for the growing demands of the Internet of Things. Its features such as low power consumption, extended coverage range, enhanced versatility, and robust security make it well-suited for diverse IoT applications. I believe that as the Internet of Things continues to evolve, WiFi HaLow is poised to become the preferred wireless technology for connecting various smart devices in the future. At this moment of technological transformation, as experts in the field of wireless communication, at QOGRISYS, we have deep-rooted experience in the WiFi industry and are committed to staying at the forefront of societal changes. By embracing continuous innovation and adopting the latest WiFi HaLow technology, we aim to keep pace with the evolving needs of emerging IoT business models, bringing greater benefits to our society and economy.  

How to Choose the Right WiFi BLE Module for Your Project

When selecting a WiFi BLE module for your project, it's important to consider several key factors to ensure that your decision aligns with your project's requirements. Here are some suggestions to make a wise choice when making your selection:   Understanding Project Requirements: First and foremost, you need to clearly define your project requirements. Consider the intended application of your device, what features and performance it needs. Some common project requirements may include: Low Power Consumption: If your device needs to operate for extended periods, low power consumption will be a crucial factor.   Data Transfer Speed: Some applications may require fast data transfer, so you should pay attention to the data transfer rate of the WiFi BLE module.   Communication Range: You also need to consider the communication range required for your device to determine the module's transmission distance.   Security: If you need to handle sensitive data, security is also a critically important consideration.   Compatibility and Standards:Ensure that the WiFi BLE module you choose complies with relevant communication standards and protocols. For example, BLE (Bluetooth Low Energy) is typically used for short-range communication, while WiFi can be used for broader connections. Make sure the selected module supports the required standards to ensure compatibility with other devices and networks.   Cost Considerations:Cost is also a significant factor to consider. Different modules vary widely in price, so you should make a prudent choice based on your project budget. At the same time, consider the module's performance and features to ensure you get the best value for your money.   Supplier Support and Availability:Select a reputable supplier and module to ensure long-term availability and support. Investigate the supplier's brand reputation and learn about their support and after-sales maintenance policies. Additionally, consider the availability of the module to ensure you can obtain a sufficient quantity for your project.By carefully evaluating these factors, you can make an informed decision when choosing a WiFi BLE module for your project.

Operation Principle/AP Mode/STA Mode of WiFi Module

Operation Principle of WiFi Module: A WiFi module typically consists of two main components: a wireless chipset and a microprocessor. The wireless chipset is responsible for handling the transmission and reception of wireless signals, while the microprocessor manages and controls various functions of the WiFi module. During data transmission, the wireless chipset uses radio waves to interact with signals. By carefully selecting frequencies and channels, it communicates with other devices. When data needs to be transmitted, the wireless chipset converts it into digital signals, which are then transmitted through the antenna. The receiving-side wireless chipset converts the received signal back into digital format and passes it to the microprocessor for further processing. The microprocessor is responsible for decoding, decryption, and a series of other operations, ultimately transferring the processed data to the device's operating system.   WiFi Module Operating Modes: AP Mode (Access Point Mode): Also known as hotspot mode. In this mode, the WiFi module acts as an access point, similar to the functionality of a router. It creates a wireless network, allowing other devices to connect to this network, much like setting up a Wi-Fi hotspot in a home or office environment. AP mode is often used to establish direct connections, enabling multiple mobile devices to connect to a central device, or to create temporary wireless networks. In AP mode, devices like smartphones, tablets, and computers can directly connect to the module, facilitating user control over these devices.                                                                                                                                                STA Mode (Station Mode): STA mode turns the device into a client of an existing wireless network. In this mode, the device connects to an already existing wireless network, just like a smartphone or laptop connects to a home Wi-Fi router. STA mode allows the device to connect to an existing wireless network, enabling access to the internet or communication with other devices. In STA mode, the device becomes a node on the network, facilitating data exchange and communication with other devices. Please note that the translations might not be perfectly aligned with technical terminology in English, as they are directly translated from the provided Chinese text.   All in all, the WiFi module transmits and receives signals through the wireless chip, and can fully manage and control various functions. AP mode is used to establish a direct connection or temporary network, while STA mode enables devices to connect to existing wireless networks for Internet access and communication between devices.  

Application of the 8121N-UH WiFi Module

With the continuous advancement of technology, the application scope of unmanned aerial vehicles (UAVs) is expanding rapidly and becoming remarkably diverse. Whether it's during takeoff, flight, hovering, or return, precise wireless remote control technology is indispensable at every stage of UAV operations. Additionally, wireless video transmission is a crucial requirement during UAV flights, giving rise to a pivotal challenge: ensuring that transmitted images are not only clear and reliably real-time but also guaranteeing seamless video transmission.   In the realm of UAV technology, image transmission plays a pivotal role, with wireless image transmission technology serving as its core. If the flight control system is considered the UAV's "brain," then the image transmission system can be likened to its "eyes," responsible for capturing and transmitting environmental visuals. Within the domain of wireless communication video transmission, WiFi modules are regarded as the "visual neurons" of UAV image transmission solutions. In light of this, Ofeixin , a company specialized in wireless module development, has dedicated its efforts to the research and development of wireless modules, resulting in the introduction of the 8121N-UH wireless communication video transmission WiFi module.   Built upon the foundation of the 802.11 wireless communication standard, the Ofeixin 8121N-UH module boasts several outstanding features. Notably, it offers a transmission range of up to 1 kilometer, satisfying the aerial photography needs of a wide range of users. Furthermore, the module supports flexible networking, excels in interference resistance, and is characterized by exceptional sensitivity. Compared to other WiFi module types, the 8121N-UH stands out not only due to its low cost but also due to its impressive cost-effectiveness. These attributes make it especially suitable for scenarios that demand long-distance and high-speed transmission, including UAV control, security surveillance, smart buildings, precision agriculture, robotics, and more.   I firmly believe that as UAV applications continue to proliferate, the significance of efficient wireless communication video transmission technology cannot be overstated. The introduction of the Ofeixin 8121N-UH module provides robust support to UAV image transmission solutions, facilitating the realization of clear, stable, and efficient image transmission across various fields. This, in turn, paves the way for a more expansive scope of innovation and development within the UAV technology landscape.