In today’s fast-evolving world of wireless communication and RF technology, the performance and reliability of connectors play a crucial role in ensuring overall system stability. The KH-SMA-K513-14G SMA female board-end RF coaxial connector, developed by Kinghelm, is a high-performance component specifically designed for high-frequency signal transmission scenarios. Featuring a standard through-hole plug-in design, it is easy to install, offers robust mechanical properties, and is especially well-suited for high-frequency board-to-board connections and RF module interfaces—showcasing the technical strength of domestically produced RF connectors.

Kinghelm KH-SMA-K513-14G Product Image

The KH-SMA-K513-14G utilizes a 14-tooth SMA standard threaded interface to ensure secure and vibration-resistant connections, making it particularly effective in industrial-grade applications. Its straight-leg through-hole structure allows for easy PCB soldering, enhancing assembly efficiency while reducing manual soldering errors. The SMA female structure offers strong compatibility, supporting a wide range of standard SMA male devices or cables. With excellent frequency response and impedance matching, it minimizes insertion loss and reflection, improving overall system signal integrity.

Kinghelm adheres to strict quality control standards, and every KH-SMA-K513-14G SMA female board-end connector undergoes rigorous electrical and mechanical testing, including frequency range validation, mating durability, and contact resistance measurements, ensuring stable operation even in harsh environments. Weighing only 2.985 grams, its compact design makes it ideal for high-density integration and offers added flexibility in portable devices.

The product is packaged in standard bags for easy distribution and storage, facilitating quick deployment on production lines. For bulk procurement, Kinghelm also offers customized services such as extended rear pins, gold-plated surface treatments, and enhanced waterproofing to meet diverse industrial or [敏感词]-grade application requirements.

KH-SMA-K513-14G SMA female board-end connector is widely used in wireless communication devices, base station antennas, IoT modules, in-vehicle positioning terminals, radar systems, and various RF testing instruments. As a key component for RF signal interfacing, it delivers outstanding electrical stability and environmental adaptability for high-frequency transmission—making it one of the most cost-effective domestic SMA connector solutions on the market. For engineers and purchasing managers who prioritize quality, reliability, and cost control, KH-SMA-K513-14G is a trustworthy choice.

With years of experience and expertise in the RF connector industry, Kinghelm is committed to delivering stable and reliable RF connection solutions. From material selection to process control, every step reflects our dedication to product quality. Whether used in high-speed communication networks or embedded wireless modules, KH-SMA-K513-14G SMA female board-end connector ensures a stable and efficient connectivity experience, helping customers achieve greater project value.

Kinghelm KH-SMA-K513-14G Specification

As RF communication technology continues to evolve, trends such as higher frequencies, increased density, and miniaturization are becoming more prominent. Kinghelm will continue to optimize product structures and manufacturing processes, launching more connectors that meet the demands of advanced technologies like 5G, BeiDou navigation, Wi-Fi 6, and V2X—providing customers with comprehensive RF connectivity solutions.

About Kinghelm

Shenzhen Kinghelm Electronics Co., Ltd.（www.kinghelm.net）has technical backbones from Tsinghua University and UESTC, and has introduced overseas returnee professionals. Kinghelm is able to develop highly reliable and high-performance antenna and connector products.KH series products of "Kinghelm" brand include Beidou/GPS antennas, RF adapter connectors, plug connector, electrical data connectors, terminals, and customized vehicle harnesses, industrial / medical connectors, and special antenna connectors."Kinghelm connects world", Kinghelm has grown with the development of China's Beidou industry. Starting from supplying Beidou/GPS dual mode antennas, IPEX terminals, and RF adapter cables for automotive manufacturers, Kinghelm has continuously developed products. Currently, it has a series of WiFi, Bluetooth, NB-loT, LoRa, Zigbee, UWB, and GSM antennas, RFID tags, RF adapter cables, standard microwave antennas, vehicle grade SMA, SMB, FAKRA holders, coaxial cables, and can customize non-standard antenna connectors based on customer drawings or samples.

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