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Shenzhen Ofeixin Technology Co., Ltd
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QOGRISYS is professionally committed to providing customers with complete IoT connection solutions.The company focuses on the communication industry. After years of industry market and customer service experience, it has the courage to face extreme technical challenges and help customers solve difficulties. The company has high-quality supporting resources from broadband short-range wireless connection, wide area network cellular communication to deep vertical integration industry, providing ...
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China Shenzhen Ofeixin Technology Co., Ltd HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
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Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
China Shenzhen Ofeixin Technology Co., Ltd MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
China Shenzhen Ofeixin Technology Co., Ltd 100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

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O9201UB Current State of the Projector Industry: Wireless Connectivity Pain Points Need Urgent Breakthrough
As smart projectors become increasingly common today, user demands for image quality and functionality are continuously increasing. However, the stability and speed of wireless connectivity have become bottlenecks hindering the upgrade of user experience: · 4K/8K Content Transmission Stuttering: High-resolution videos require extremely high bandwidth, and traditional Wi-Fi modules often suffer from delays and buffering in complex environments. · Severe Interference Among Multi-Devices: When projectors are connected simultaneously with multiple devices such as smartphones, tablets, and speakers, network congestion frequently leads to signal interruptions. · Poor Bluetooth Peripheral Experience: Older protocols suffer from high latency and weak anti-interference capabilities, resulting in unstable connections for wireless speakers, game controllers, and other devices. · Conflict Between Power Consumption and Heat Dissipation: High-speed transmission comes with high power consumption, affecting device battery life and even causing heat dissipation issues. These pain points are undermining your brand's credibility I. O9201UB Module: The "Wireless Heart" Designed for Projectors QOGRISYS has been deeply involved in wireless communication for 12 years. The Wi-Fi 6 + Bluetooth 5.4 dual-mode module O9201UB is designed with four core advantages to restructure the wireless experience in projection scenarios: 1. Wi-Fi 6 Ultra-Speed Transmission, 4K/8K Smooth and Uninterrupted Infinity · Dual-Band Simaltaneous, Smart Switching: 2.4GHz offers strong wall-penetration capabilities, The speed can be up to 1200Mbps while 5GHz, supporting 2T2R DBAC and 1T1R DBDC mode, allowing simultaneous use of different frequency bands for internet access and screen casting, say goodbye to stuttering. · MU-MIMO + OFDMA Technology: Supports high-speed transmission among multiple devices simultaneously, ensuring stable and smooth projection even when multiple users share the network. · Beamforming Technology: Accurately locates device positions, enhances signal strength dynamically, and eliminates projection dead zones, ensuring full signal coverage whether in the living room or conference room. ② Bluetooth 5.4 + Low Latency, "Zero Perception" Audio-Video Synchronization · 2Mbps High-Speed Bluetooth: Wireless speakers/headphones’ latency as low as 28ms (industry average : 50ms), delivering concert-like audio effects with "audio-video synchronization." · AFH Anti-Interference Technology: Automatically avoids congested 2.4G channels, allowing multiple devices (remote control + microphone + speakers) to coexist without interference, enabling "instant response" for voice control. · HCI Technology: Provides an intermediate reserve, compatible across kernel versions; USB interface can also connect to Bluetooth speakers, offering premium voice effects, saving debugging time, and reducing pin usage in PCM interface. ③ Compact Size + Low Power Consumption, Greater Design Freedom · Compact Dimension: Ultra-small size of 15×13×2.3mm, suitable for ultra-thin projector designs, saving internal space. · Smart Power Management: Wi-Fi + Bluetooth collaborative power consumption reduced by 20%, extending built-in battery projector runtime by 1.5 hours, ensuring uninterrupted during outdoor camping. 4. Flexible Adaptation, Easy Integration · USB 2.0 Interface: Compatible with mainstream projector models, reducing development costs for manufacturers. · Multiple Certifications: Supports WPA3 encryption, BLE Audio, and other standards, ensuring data security and compatibility. ​​II.Seize the New Blue Ocean of "Wireless Projection" Now! The global smart projector market exceeds $80 billion by 2025, with wireless experience becoming a core decision-making factor for users. Projectors equipped with O9201UB are not just "viewing tools" but also home entertainment hubs, business collaboration centers, and smart home gateways. Home Entertainment Scenarios: Wireless game screen casting: Supports 4K@60fps low-latency transmission, paired with immersive Bluetooth speakers. Smart home integration: Direct Wi-Fi connection to control screens/lights, creating an immersive theater system. Business Office Scenarios: Multi-device wireless screen sharing among multiple-devices:Support demonstrations from multiple terminals, improving meeting efficiency by 50%. Remote collaboration optimization: QoS intelligent bandwidth allocation ensures video conferences stable Educational Scenarios: Online classroom assurance: Anti-interference design ensures 4K courseware display smooth. Interactive teaching support: Bluetooth microphone latency < 30ms, enabling zero-lag teacher-student interaction. III.Choosing O9201UB Means You Gain More Than Just a Module ▶Advanced Technology, Performance Benchmark: Based on IEEE 802.11ax and Bluetooth 5.4 protocols, performance surpasses traditional modules completely. ▶ Service Assurance: 7x24 technical support, providing "module + driver + scenario optimization" comprehensive services. ▶ Ecosystem Collaboration, Expanding Scenarios: Beyond projectors, it can integrate with smart home devices (e.g., lights, screens), helping projectors upgrade into smart control hubs. Conclusion: The Future of Wireless Projection is Defined by You! The O9201UB module, with its core advantages of "fast, stable, and efficient," provides the ultimate wireless connectivity solution for the projector industry. Whether it's the home theater’s ultimate experience or efficient business collaboration, it can be handled easily. QOGRISYS is ready to collaborate with you, driving industry transformation through technological innovation, and making every projector a gateway to "wireless freedom"!
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.
S130N-ISI Full-Stack Solution in tight collaboration with cloud platform:redefine PLC Development Paradigms
1. What is PLC? 1.1 Technical Definition PLC (Power Line Communication) is an innovative communication technology that utilizes power lines as a natural transmission medium. By advanced signal modulation techniques, it superimposes high-frequency data signals onto standard power-frequency currents, enabling simultaneous power delivery and data communication. This technology eliminates the need for additional communication cables, it can be deployed directly over existing power lines to establish communication systems—truly achieving the dual functionality of "one wire, two purposes.   1.2 Core Technical Principles Signal Modulation Mechanism: Adopting modulation techniques such as Orthogonal Frequency Division Multiplexing (OFDM) and Phase Shift Keying (PSK) to encode raw data signals into high-frequency carriers (1–30 MHz). This modulation employs frequency-domain superposition to effectively separate high-frequency data signals from 50/60 Hz power-frequency currents, ensuring interference-free transmission between two signals in PLC.     Coupling and Decoupling System: Signal Injection: At the transmitting end, a dedicated coupling device injects high-frequency data signals into the power line safely and efficiently, enabling synchronized transmission of communication signals and power. Signal Extraction: At the receiving end, a bandpass filter system precisely filters out power-frequency, extracting the 1–30 MHz high-frequency communication signals completely, original data is then restored via demodulation.   2. Technical Advantages 2.1 This technology shows significant advantages:First,no rewiring required, drastically reducing the costs of communication system deployment .In the second,it is feasible to achieve Plug-and-play using existing power networks, significantly shortening deployment cycles.Besides,dual-frequency transmission ensures independent operation of power delivery and data communication without mutual interference.   2.2 Technical Advantage Matrix Metric Technical Breakthrough Application Value Wiring Cost Zero additional wiring 80% reduction in installation costs Coverage Natural power line coverage Overcomes wireless signal transmitting limitations Penetration Signals averse walls/floors The stability of communication improves 90% in complex environments Anti-Interference Frequency division + error correction coding Bit error rate below 0.01%   3. Full-Stack Product Ecosystem 3.1 Development Toolchain – S130N-ISI Dev Kit: ▶ Hardware Integration: Includes modules, coupling circuits, and power supply, supporting direct 220V testing. ▶ Preconfigured Software: Built-in localized group management firmware, UART plug-and-play. ▶ Scenario Adaptability: Compatible with 485/UART interfaces for achieving zero-hardware-modification deployment. 3.2 PLC Core Component Specifications Component Specifications Performance Highlights Main Chip VC6330 SoC (ARM Cortex-M3 + DSP) Dual-core, 2MB Flash/1MB SRAM Protocol Q/GDW 11612/IEEE1901.1 Supports BPSK/QPSK/16QAM modulation Environment -40°C to +105°C Industrial-grade protection standard Dimensions 20.6×12.6×2.5mm (stamp hole packaging) 40% smaller than traditional solutions   3.3 Key components' innovations PLCT-500010 Coupling Transformer: ▶ 1:1 turns ratio design, 5000VAC withstand voltage ▶ 1–30 MHz bandwidth coverage, insertion loss ≤3dB ▶ Dual-shielded design, common-mode rejection >40dB Packaging technology Breakthroughs: ▶ Anti-oxidation gold fingers (contact resistance

2025

04/14

O8852PM—The Solutions of differentiated Competitive Advantages and Industry Pain Point for Commercial Display Terminals
 In the field of commercial display terminals, efficient network connectivity and functional integration are crucial to device performance and user experience. The O8852PM module, independently developed by QOGRISYS, brings significant advantages to commercial display terminals, effectively addressing many industry pain points. I. Advantages of O8852PM in Commercial Display Terminals (1) Powerful Wireless Connectivity Dual-Band Support & High-Speed Transmission: The O8852PM supports 2.4GHz and 5GHz dual bands, adapting flexibly to different scenarios. In environments with dense commercial displays, the 2.4GHz band offers wider coverage, ensuring reliable basic connectivity, while the 5GHz band (with less interference and higher speeds) enables smooth display of HD videos and real-time data interaction. Under the 802.11ax protocol, the 5GHz band achieves speeds up to 1200Mbps (5G HE80 2T2R), ensuring seamless content delivery and fast loading. It eliminates buffering to improve audience engagement. Multi-Protocol Compatibility: Supports IEEE 802.11 a/b/g/n/ac/ax, ensuring seamless connectivity with devices of different generations and standards. It eliminates network compatibility concerns during upgrades, reducing costs of devices upgrading, and extending the lifespan of commercial display terminals. Multi-User MIMO Technology: Equipped with Multi-user MIMO (Multiple Input Multiple Output) technology, the module ensures stable connections for multiple commercial display terminals simultaneously in high-density environments such as shopping malls and exhibitions. This significantly enhances network capacity and efficiency, enabling each terminal to operate independently and optimally while preventing network congestion caused by excessive connected devices.   (2) Bluetooth Integration Advantages Bluetooth 5.2 protocol Support: With an integrated Bluetooth 5.2 USB controller, it offers faster speed, longer range and more power efficiency versus old versions. Supports peripheral connections (speakers/keyboards/mice) for audio and interactive control.For instance, in conference presentation scenarios, wireless keyboards and mice can be connected via Bluetooth, allowing presenters to effortlessly operate the display terminal for content showcasing and annotation. Dual-Mode Support & Coexistence Control: Supporting dual mode (Simultaneous LE and BR/EDR), it concurrently satisfies both low-power and high-speed data transmission requirements. The enhanced BT/Wi-Fi coexistence control technology effectively prevents mutual interference between Bluetooth and Wi-Fi signals, ensuring stable operation of commercial display terminals when utilizing both wireless functions simultaneously. For instance, it maintains uninterrupted Wi-Fi video streaming while simultaneously supporting Bluetooth-connected control devices.   (3) Other Advantages Compact & Highly Integrated Design: With compact dimensions of 30×22×2.3mm, the module's space-saving design enables easy integration within the limited internal space of commercial display terminals. Its minimal footprint allows manufacturers to develop slimmer and more compact products. Furthermore, the highly integrated single-module design reduces the number of external components, lowering hardware costs and failure risks while significantly enhancing product reliability.   Versatile Interface Support: The Wi-Fi interface utilizes PCIe for high-bandwidth, high-speed data transfer, making it ideal for rapid transmission of large data volumes in commercial displays - particularly real-time HD video streaming. Meanwhile, the Bluetooth interface employs USB connectivity, offering universal compatibility for seamless integration with various external Bluetooth devices to facilitate functional expansion of commercial display terminals. II、Solve Industry Pain Points (1) Unstable Network Connectivity Signal Interference & Lag: In environments with dense commercial display deployments—such as shopping malls and office buildings—wireless signals from multiple devices often cause severe interference. The O8852PM's dual-band adaptive frequency selection and coexistence control technology intelligently prioritizes less congested frequency bands to minimize signal conflicts and maintain network stability. For instance, in supermarket where numerous displays terminals simultaneously broadcast advertisements and promotions, the O8852PM effectively prevents video stuttering and slow loading caused by signal interference, ensuring accurate and timely message delivery to consumers. Network congestion with multiple device connections: As the number of commercial display terminals increases, traditional network equipment is prone to congestion when handling multiple connections. The Multi-user MIMO (MU-MIMO) technology in the O8852PM significantly enhances concurrent network processing capability, ensuring each commercial display terminal receives stable network resources and improving overall network performance. ​   (2) High Costs & Space Constraints from Low Integration High Costs: Traditional commercial display terminals required separate procurement of multiple components (e.g., Wi-Fi modules, Bluetooth modules) to achieve diverse functionalities, driving up both purchasing cost and assembly costs. The O8852PM integrates Wi-Fi and Bluetooth functionalities into a single highly compact module, significantly reducing component count. This consolidation lowers procurement expenses and streamlines production assembly costs, ultimately expanding profit margins for enterprises. Large Space Occupancy: Multiple discrete modules traditionally occupied significant internal space in commercial display terminals, constraining slim-form-factor designs and optimal internal layout planning. The O8852PM's compact footprint (30×22×2.3mm) and integrated architecture leave much more internal space, empowering manufacturers to optimize thermal management solutions, streamline cable routing configurations, enhance overall product performance through space-efficient engineering. ​   (3) Devices’Compatibility & Upgrade Challenges Poor Legacy Device Compatibility: The commercial display terminal market contains numerous devices from different generations, where new network modules often struggle to maintain backward compatibility. The O8852PM overcomes this challenge through extensive protocol support, enabling seamless interoperability with legacy equipment. There is no need for large-scale device replacements, significantly reducing upgrade costs for enterprises. Difficult Upgrades: Traditional modules often require replacing multiple components during upgrades, resulting in complex operations and high costs. The O8852PM's unified, integrated design simplifies the process by enabling updates through a single-module replacement. This streamlines upgrades reduces both costs and technical complexity, and allows enterprises to efficiently modernize commercial display terminal functionalities to maintain market competitiveness. ​ Qogrisys's O8852PM delivers a breakthrough solution for commercial display terminals through its superior wireless connectivity, integrated Bluetooth, compact form factor, and multi-interface support. The module not only enhances terminal performance and user experience but also significantly reduces enterprise costs. This innovation stands as a powerful catalyst driving advancement in the commercial display sector.

2025

04/27

O9201UD WIFI Module – A New Revolution in Wireless Communication, Meeting High-End Image Transmission Needs
The QOGRISYS O9201UD module, featuring advanced Wi-Fi 6 technology, robust support for private protocols, high-definition image transmission (HDMI) capability, and ultra-long-distance transmission advantages, has become the ideal choice for various smart devices and drone image transmission applications. As a professional module solution provider, QOGRISYS, in close collaboration with Wuqi, has successfully developed the O9201UD engineering prototype and continues to optimize the product. Innovative Private Protocol Support Ensures Data Security The O9201UD module offers private protocol support, providing enterprises and users with communication solutions that are tailored to higher security levels. Through private protocols, you can ensure the security, high anti-interference capabilities, and prevent data leakage, making it especially suitable for scenarios such as drone and HDMI image transmission, and other applications where data security is critical. HDMI Image Transmission Enhances High-Definition Video Experience The IEEE 802.11k/v/r protocols enhance network performance. It provides seamless high-definition video transmission, achieving long-distance real-time video backhaul. It supports high-resolution images and real-time streaming without the need for traditional wired connections while enhancing the user experience. 3km Ultra-Long Transmission Distance Breaks Traditional Limits The highly integrated iPA technology enhances signal strength and transmission distance, extending network coverage and ensuring a more stable connection. The O9201UD module achieves stable and efficient wireless signal transmission over a distance of 3 km, breaking through the traditional distance limitations of wireless communication modules. QOGRISYS is also further optimizing the module to achieve even greater transmission distances. Application Scenarios Drone Image Transmission: The O9201UD module provides ultra-long image transmission distances and high-definition video quality. Drones equipped with this module can transmit real-time flight footage back to the operator. It is suitable for scenarios such as search and rescue, agricultural monitoring, geological exploration, outdoor adventures, and complex industrial inspection environments. High-Definition Audio and Video Devices: The O9201UD module can achieve wireless HDMI image transmission. Users can easily achieve wireless transmission of HD audio and video streams, enhancing the audiovisual experience. It is suitable for business presentations, conference systems, and consumer-grade image transmission applications. Industrial Applications: The O9201UD module provides stable data transmission support for automation equipment, surveillance systems, sensors, and more. It is particularly valuable in scenarios that require long-distance monitoring and data collection. For more info.,pls clickQogrisys O9201UD module low power consumption 1200Mbps high speed WIFI6 module

2025

04/18