ROHO CONNECTOR LIMITED

    In an era of advancing 5G networks, satellite communication, and industrial IoT, the demand for reliable and durable RF components is higher than ever. Among these, the N-Type attenuator continues to be a preferred choice for engineers requiring performance in demanding environments. Today, we break down the classifications and key performance characteristics that make this component a perennial industry workhorse.     The N-Type connector, invented in the 1940s, set a standard for durability with its threaded coupling mechanism and characteristic 50-ohm impedance. N-Type attenuators built upon this foundation, offering a robust solution for reducing signal power (attenuation) with minimal distortion. Their ability to handle higher power levels and their superior weatherproofing make them indispensable in telecommunications infrastructure, military and aerospace applications, and high-power test setups.     N-Type attenuators are primarily classified based on their functionality and power handling capabilities:     1. Fixed Attenuators: These are the most common type, designed to provide a single, precise value of signal loss (e.g., 3 dB, 10 dB, 20 dB). They are valued for their simplicity, excellent electrical performance, and reliability. Fixed attenuators are further segmented by their power ratings, from small-signal benchtop models to high-power units capable of handling hundreds of watts.     2. Variable Attenuators: This category offers adjustable attenuation levels. Manual Step Attenuators: These devices allow users to select from a set of precise attenuation values using a rotary switch. They are critical in laboratory settings for calibration and testing, offering exceptional accuracy and repeatability. Continuously Variable Attenuators: These provide smooth adjustment over a specified range (e.g., 0-20 dB), allowing for fine-tuning of signal levels in circuit design and optimization.     3. DC Blocking vs. DC Passing: A crucial design distinction. Some N-Type attenuators are engineered to block DC bias voltages from passing through, protecting sensitive equipment. Others are designed to allow DC current to pass alongside the RF signal, which is essential for certain antenna systems like those used in GPS.     When specifying an N-Type attenuator, engineers focus on several critical parameters: High Power Handling: This is the standout feature of N-Type attenuators. They are routinely available in models that can handle average power levels from 2 Watts to over 100 Watts, and some specialized units can manage kilowatts of power, making them ideal for transmitter sites. Frequency Range: While excellent for applications up to 11 GHz, precision N-Type designs perform reliably up to 18 GHz, covering most cellular and C-band satellite frequencies. Low VSWR (Voltage Standing Wave Ratio): High-quality N-Type attenuators maintain a ...

    ROHO, a leading provider of high-quality RF solutions, is thrilled to celebrate its 10th anniversary as a company. Over the past decade, ROHO has experienced tremendous growth, establishing itself as a trusted name in the industry. The company's success can be attributed to its strong focus on three core product categories: RF connectors, RF antennas, and RF microwave components.     ROHO's RF connectors have gained recognition for their exceptional performance and reliability. These connectors ensure seamless signal transmission and are widely used in various applications, including telecommunications, aerospace, and defense. With an extensive range of connectors available, ROHO caters to the diverse needs of its customers while maintaining stringent quality standards.     In addition to connectors, ROHO's RF antennas have been instrumental in providing reliable wireless communication solutions. The antennas offer high gain, excellent coverage, and enhanced signal stability, making them ideal for a wide range of wireless applications, such as 5G networks, IoT devices, and smart home systems. ROHO's antennas are designed to deliver superior performance in challenging environments, ensuring uninterrupted connectivity for users.     Furthermore, ROHO's RF microwave components have witnessed significant growth due to their advanced technology and superior craftsmanship. The company's portfolio includes RF attenuators and power splitters, which play a crucial role in signal control and distribution. These components are sought after by industries that require precise power regulation and signal management, such as radar systems, medical equipment, and scientific research.     As ROHO marks this milestone, the company remains committed to continued innovation and customer satisfaction. With a focus on research and development, ROHO is dedicated to pushing the boundaries of RF technology and introducing cutting-edge solutions to meet evolving industry demands.     "We are excited to celebrate 10 years of successful operations and remarkable growth," said the CEO of ROHO. "Our commitment to delivering high-quality RF solutions has enabled us to build strong partnerships with our customers and establish ourselves as a leader in the industry. We look forward to many more years of success and innovation."     ROHO's 10th-anniversary celebration not only commemorates its achievements but also serves as a testament to the company's unwavering dedication to excellence. With its expanding product portfolio and a strong customer base, ROHO is poised to shape the future of RF technology and continue its upward trajectory in the years to come.

    As devices shrink and demand for seamless wireless connectivity explodes, combo antennas are emerging as critical components across industries. These innovative antennas integrate multiple wireless technologies into a single, compact unit, solving space constraints while enhancing performance.     Key Features Fueling Adoption: Integration & Miniaturization: Combines functions like 5G/4G LTE, Wi-Fi 6E/7, Bluetooth/BLE, GNSS (GPS, Galileo, etc.), UWB, and IoT protocols (LoRaWAN, NB-IoT) into one footprint. This is vital for sleek smartphones, tiny sensors, and next-gen wearables. Reduced Complexity & Cost: Eliminates the need for multiple separate antennas, simplifying RF design, reducing component count, assembly time, and overall BOM cost. Optimized Performance: Engineered to minimize interference between co-located radios, ensuring reliable signal reception and transmission for all integrated technologies. Advanced filtering and isolation techniques are key. Design Flexibility: Available in various form factors (PCB embedded, external, chip antennas) to suit diverse device architectures and aesthetic requirements.     Transformative Applications: Internet of Things (IoT) & M2M: Enables compact, cost-effective sensors for smart agriculture, industrial monitoring, asset tracking, and smart city infrastructure (parking, utilities). A single combo unit handles cellular backhaul, local wireless comms, and precise location. Automotive: Essential for connected cars, telematics, and autonomous driving systems. Integrates V2X communication, multiple GNSS bands for high-precision location, cellular modems for updates/emergency calls, and Wi-Fi/Bluetooth for in-cabin connectivity. Consumer Electronics: Powers the latest ultra-thin smartphones, tablets, laptops, and wearables (smartwatches, AR/VR headsets), delivering global connectivity (5G, Wi-Fi, BT, GPS) without bulk. Industrial & Logistics: Used in rugged handheld terminals, drones, and robotics for reliable communication (private LTE/5G, Wi-Fi), positioning (GPS/GNSS), and short-range data transfer (BLE) in demanding environments. Smart Home & Security: Integrates Wi-Fi, Bluetooth, Thread/Zigbee, and sometimes cellular failover in smart hubs, security cameras, and appliances for unified, robust home networks.     As 5G-Advanced rolls out and IoT deployments scale, the demand for highly integrated, high-performance combo antennas is projected to surge significantly over the next five years. These versatile components are proving indispensable in weaving the invisible fabric of our hyper-connected world.     About Combo Antennas:    Combo antennas (also known as multiband/multi-service or integrated antennas) are single antenna assemblies designed to support multiple distinct frequency bands and wireless communication standards simultaneously within a unif...