Best Spectrum Analyzers of 2026

The Siglent SSA3021X Plus Spectrum Analyzer offers a wide frequency range of 9 kHz to 2.1 GHz, with a high phase noise of 98 dBc/Hz, and a low minimum Displayed Average Noise Level (DANL) of -161 dBm/Hz. Its 10.1 inch touch screen displays with a resolution of 1024x600. The device includes a tracking generator and pre-amplifier, making it an all-in-one solution for measuring signals.

The Siglent SSA3032X Analyzer covers a wide frequency range from 9 kHz to 3.2 GHz, making it versatile for various signal testing needs. Its all-digital intermediate frequency (IF) technology ensures accurate and stable measurements, giving you reliable results every time. With a very low displayed average noise level, the analyzer helps you detect weak signals clearly, which is essential for precise analysis. Additionally, its excellent phase noise performance at 10 kHz offset means you can trust the clarity of your signal readings, especially when working with 1 GHz frequencies. This makes the SSA3032X Analyzer a handy tool for professionals needing detailed and dependable spectrum analysis.

The 2023 Upgraded TinySA Ultra Spectrum Analyzer has a 4.0 inch 480 x 320 large touchscreen display with a measurement range of 100kHz to 5.3GHz, built-in 32Gb micro SD card for data sharing, and a switchable resolution band pass filters for both ranges between 200Hz to 850kHz. It also has a 2-in-1 function as a multifunctional frequency analyzer & signal generator, and can be connected to a PC via USB. Additionally, it has an ultra-long battery life and comes with a package list of accessories.

The Siglent SSA3021X-TG Spectrum Analyzers utilize all-digital IF technology and have a frequency range of 9 kHz up to 2.1 GHz. With a 161 dBm/Hz displayed average noise level, 98 dBc/Hz @10 kHz offset phase noise (1 GHz, Typ.), and 1 Hz minimum resolution bandwidth (RBW), this product provides high accuracy measurements. This makes it ideal for use in RF signal analysis, broadcast/EMI, education, research, and manufacturing.

The Seesii TinySA Ultra+ is a handheld spectrum analyzer that covers a wide frequency range from 100kHz to 7.3GHz, making it great for tasks like 5G, satellite, and Wi-Fi testing. Its 4-inch HD touchscreen gives you clear, detailed views of the spectrum, helping you understand complex signals easily. You can also use it as a signal generator to produce various wave types, useful for debugging and interference detection. Plus, with USB and app connectivity, managing and transferring your data is simple. This device is designed to provide reliable, professional performance in a compact and user-friendly package.

The Rigol DSA815-TG Spectrum Analyzer is a powerful tool with a frequency range from 9 kHz to 1.5 GHz, 10 Hz minimum resolution bandwidth, and a displayed average noise level of min. -161 dBm. It has advanced measurement functions, an 8-inch WVGA display, and options for EMI filter & quasi-peak detector kit, VSWR measurement kit, and PC software. The level measurement uncertainty is < 0.8 dB, and the phase noise is min. < -98 dBc/Hz @ 10 kHz offset.

The TZT BDS PP-131 Analyzer gives you a clear and detailed view of your audio with its 31-band real-time display, featuring 930 LEDs that let you see every frequency clearly. It’s powered by a strong DSP chip, allowing you to adjust key settings like peak hold time and input sensitivity, so you can tailor it perfectly to your sound environment. The unit supports both XLR and RCA connections, making it easy to hook up to your professional or home audio gear. Plus, the compact 2U rack design saves space while offering a sturdy build that’s ready for daily studio use.

The SIGLENT SVA1015X Analyzer covers a broad frequency range from 9 kHz to 1.5 GHz, making it ideal for analyzing a wide variety of signals. It offers vector network analysis starting at 100 kHz, allowing you to measure complex network parameters with precision. The device provides a very low noise floor, helping you detect even weak signals clearly. With a total amplitude accuracy of about 1.2 dB, you can trust the measurements to be reliable and consistent. This combination of features makes the SIGLENT SVA1015X a powerful and convenient tool for anyone working with RF signals and networks.

The AURSINC Tinysa Ultra+ is a versatile handheld spectrum analyzer that covers a wide frequency range from 100kHz up to 7.3GHz, allowing you to detect and analyze a broad variety of signals with precision. Its bright 4-inch IPS display presents detailed measurement results clearly, making it easier to understand your data at a glance. You can also connect it to your PC for smooth data transfer and deeper analysis. The device doubles as a powerful signal generator, providing sine and square waves across a wide frequency range, which is perfect for testing and troubleshooting RF systems. Plus, its long-lasting 5000mAh battery supports extended use, ideal for outdoor or continuous testing without frequent recharging.

The AURSINC TinySA Ultra+ is a versatile spectrum analyzer and signal generator designed to cover a wide frequency range from 100kHz up to 5.4GHz, with ultra mode extending to 6GHz and even the ability to observe signals up to 12GHz. Its 50W fixed attenuator helps protect your device by handling high power levels safely, making it ideal for precise and reliable measurements. The built-in 4-inch touchscreen and latest hardware system make navigation and operation smooth. Plus, with a 32GB micro SD card included, you can easily store and transfer your data. This 2-in-1 device also functions as a signal generator, offering various waveform outputs for testing and calibration, making it a handy tool for both beginners and pros.