The Rohde & Schwarz FPH.54 is a versatile handheld spectrum analyzer with a built-in tracking generator, offering a frequency range from 5 kHz to 44 GHz. It’s designed for field applications, providing high performance in a compact, portable form. Ideal for troubleshooting and RF measurements, it combines durability with advanced features, making it suitable for professionals working in telecommunications, aerospace, and defense sectors.