With Telsto Development Co., Ltd. you can be sure of working with a trusted China-based manufacturer, supplier, and factory for all your communication and industrial equipment needs. Introducing the Rf5012s, our latest offering for professionals in the telecommunication industry. This lightweight and compact power meter is designed to meet the demands of modern testing and telecommunication applications, offering high accuracy measurements of optical signals with ease. With its wide wavelength range and user-friendly features, the Rf5012s is the perfect solution for fiber optic network construction and maintenance. Made with premium quality materials, the Rf5012s is built to last, making it a reliable and cost-effective choice for a range of testing applications. This device is designed to handle even the toughest of work environments, ensuring accurate measurements every time. Trust not just the product, but the brand behind it. Choose Telsto Development Co., Ltd. as your trusted partner and enjoy a seamless customer experience.