Communications & Electronics

In the process of using capacitors, we must pay attention to mastering the measurement method of capacitors. This is the key to identifying the quality of capacitors. So, what are the methods for measuring film capacitors? Using scientific methods to measure capacitance is the key to ensuring the safety and life of capacitors.First, you can use a multimeter to test the capacitor, and the method is to use the resistance range. Practice has proved that the charging process of the capacitor can also be observed using a digital multimeter, which actually reflects the change of the charging voltage in discrete digital quantities. Assuming that the measurement rate of the digital multimeter is n times/second, when observing the charging process of the capacitor, n independent and increasing read...

Are you struggling to get accurate positioning for your surveying projects? Choosing the right multi-band GNSS antenna can make all the difference. These antennas receive signals from multiple satellite systems like GPS, GLONASS, Galileo, and BeiDou. With the right antenna, you can improve accuracy, reduce errors, and complete projects faster.Why Multi-Band GNSS Antennas Matter for SurveyingSurveying projects demand high precision. A single-band GNSS antenna can only process limited satellite signals, which can lead to errors in dense urban areas or regions with heavy tree cover. By contrast, multi-band GNSS antennas can track multiple frequencies from different satellite constellations. This capability improves positioning reliability and allows surveyors to complete projects faster.Moreo...

Introduction – Meeting the iPhone 16 Display StandardsThe iPhone 16 boasts a cutting-edge display with high-resolution OLED technology, vibrant colors, and precise touch controls. Aftermarket replacement screens must meet these high expectations for color accuracy, brightness, durability, and touch sensitivity.Kelai’s JK OLED 16-hard is specifically engineered for the iPhone 16, providing a replacement screen that rivals the original Apple display in performance, reliability, and visual experience.Quality Benchmarks of JK OLED 16-hardHard Coating and Scratch ResistanceDesigned with a robust hard coating, the JK OLED 16-hard resists scratches and daily wear, maintaining the pristine look of the iPhone 16.Protects against minor drops, fingerprints, and scuffs during ...

Have you ever wondered what makes a sound system deliver clear and powerful audio? Why do some speakers sound sharp and accurate, while others lack depth? The key component behind every high-performing speaker is the speaker driver. Choosing the right speaker driver is essential for ensuring reliability, performance, and value.What Is a Speaker DriverA speaker driver is the core component that converts electrical signals into sound waves. It acts as the engine of a speaker, vibrating the diaphragm to create the audio we hear. Drivers come in various forms depending on their frequency range—woofer, midrange, tweeter, or full-range drivers. For companies sourcing speaker components, the driver’s quality directly impacts the overall sound performance of the system.Why Speaker Drivers Are Cruc...

Are you looking for reliable, precise, and easy-to-use RTK solutions for your projects? A compact RTK module can be a real game-changer. These small yet powerful devices deliver high accuracy in navigation, surveying, and mapping tasks. For procurement teams and supply chain managers, understanding the advantages of compact RTK modules is essential for making informed sourcing decisions.In this article, you will discover why compact RTK modules are becoming the preferred choice in global sourcing and how they can improve your projects while simplifying procurement and logistics.Why Choose a Compact RTK Module for Global ProjectsManaging international projects requires equipment that combines precision and portability. A compact RTK module offers centimeter-level accuracy while being easy t...

As consumer demand for sharper visuals, faster response, and seamless interaction continues to grow. One standout in this space is the JK-FHD 15, a full HD capacitive touch display module developed by The Kelai Company.JK-FHD 15: A Closer Look at the Display FeaturesThe JK-FHD 15 is not just another 1080p screen—it’s engineered to deliver premium visual and interactive performance, even in compact devices. Here’s what makes it stand out:1. Wide Color Gamut for Vivid, True-to-Life ImagesWith an enhanced wide color gamut, the JK-FHD 15 delivers more vibrant reds, deeper blues, and lifelike greens. 2. Advanced GFF/OGS Capacitive TouchBuilt with GFF (Glass-Film-Film) and OGS (One Glass Solution) structures, the JK-FHD 15 ensures high sensitivity, low reflection, and thin de...