Discover unparalleled precision and convenience with our Portable Phase Frequency Analyzer, designed for hardware oscillator clock source measurement. This advanced tool is perfect for professionals seeking accurate and efficient phase and frequency analysis across a broad range of applications. Precise Measurement: Our phase frequency analyzer delivers highly accurate measurements of phase and frequency differences between two input signals. It supports a wide frequency range from 1 MHz to 290 MHz, ensuring versatility for various testing scenarios. Digital Display and Storage: Equipped with a digital display, this analyzer charts phase and frequency differences against time, providing clear and immediate insights. It also offers data storage on an inserted storage card and can send phase measurements to a PC via USB for further analysis and processing. High Accuracy: Experience exceptional precision with a phase and frequency measurement accuracy better than 1 e‑12 per second. The maximum frequency difference is dependent on the measurement time, allowing for detailed and reliable data collection. Portable and User Friendly: Designed for portability, this frequency analyzer is battery-powered and can be charged via a USB port. Its 4-inch touchscreen display enhances usability, making it easy to carry and operate in various environments. Cost Effective Versatility: For those who already own a NanoVNA‑H4, this analyzer offers additional versatility. Without the need for long-term measurements via a handheld frequency analyzer, you can use the NanoVNA‑H4 to flash in the firmware and utilize its capabilities. Enhance your measurement capabilities with our Portable Phase Frequency Analyzer, a perfect blend of precision, portability, and user-friendly design. Ideal for professionals in need of reliable and efficient phase and frequency analysis, this tool is a valuable addition to any technical toolkit.