Spectrum Analyzers of 2025
Best Choice1
SiglentSiglent Technologies SSA3032X Spectrum Analyzers,9 kHz to 3.2 GHz,TG Standard
Main highlights- Frequency Range from 9 kHz up to 3.2 GHz
- All-Digital IF Technology
- 1 Hz Minimum Resolution Bandwidth (RBW)
- -98 dBc/Hz @10 kHz Offset Phase Noise (1 GHz, Typ.)
- -161 dBm/Hz Displayed Average Noise Level (Typ.)
9.7Exceptional
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Value for Money2
SiglentSiglent SSA3021X Plus - 2.1 GHz Spectrum Analyzer with Tracking Generator and Preamplifier
9.6Exceptional
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3
SiglentSiglent Technologies SSA3021X Spectrum Analyzers,9 kHz to 2.1 GHz with Free Tracking Generator
9.9 worth the money9.5 Precision9.4Excellent
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4
AURSINCAURSINC TinySA Ultra+ ZS406 Spectrum Analyzer, 2025 Upgraded 4.0 Inch 100kHz-5.4GHz HW V0.4.6 Handheld Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator MF/HF/VHF UHF Input
Main highlights- [WIDELY FREQUENCY RANGE] The Tiny sa ULTRA+ has an ultra measuring frequency range of 100kHz to 5.4GHz, spectrum analyzer for 100kHz-900MHz and Ultra mode up to 6GHz. Switchable resolution bandpass filters from 200Hz to 850kHz, you could fast and accurate execute measurement tests. Color display showing max 450 points providing gapless covering up to the full frequency range
- [WHAT YOU GET] 1x Tinysa ULTRA Spectrum Analyzer (built-in 5000mah rechargeable battery); 1x 32GB Micro SD card (plugged in the host); 2x 30cm ALSR100 SMA cables; 1 x USB Type-C data cable; 1x SMA-SMA barrel connector; 1x TLanyard and touch plectrum; 1x Antenna with SMA connector; 1x stylus pen
- [UPGRADED SPECTRUM ANALYZER] AURSINC Tinysa Ultra+ ZS406 installed with NEW HW V0.4.6, with 4.0 inch 480*320 touchscreen display, 100kHz to 5.4GHz widely measure range. Built-in 32GB micro SD card, solving the on-site data storage issue, convenient for data sharing and storage. Built-in 5000mAh battery, a fully-charged battery allows for at least 3 hours of operation, without frequent recharging interruptions
- [PC CONTROL] This tinysa ultra can connect to a PC via USB, Tinysa-APP directly transfers data to the computer. The USB interface implements the Serial over USB (CDC) protocol and there is a large set of commands that can be invoked over the serial interface. These command can be used to perform measurements or update internal settings. The driver for Windows will install automatically after connecting to a Windows PC. The driver for Linux is built into the kernel
- [EXCELLENCE PHASE NOISE] Phase noise at 30MHz of -108dB/Hz at 100kHz offset and -115dB/Hz at 1MHz offset, DANL -166dBm/Hz. In the level menu, there is the LNA, which will provide 20db of extra gain if you have very low level signal (the LNA in tinySA ULTRA is only effective below 3.5GHz) The default maximum frequency is 800mhz, so you no longer have to switch between low and high range, and can monitor the complete range in one sweep
- [200Hz-850kHz RBW] RBW frequency from 200hz to 850khz which can be set to match the measurement requirements, meet SBB two-tone test requirements and fast scanning. The RBW is as low as 200Hz, which can effectively distinguish adjacent signals and meet the requirements of SSB dual-satellite inter-modulation test. Input Step attenuator from 0dB to 31dB (can not be used not in combination with LNA)
- [2 IN 1 DEVICE] When not used as Spectrum Analyzer it can be used as Signal Generator, MF/HF/VHF sinus output between 100kHZ-900MHz, UHF square wave output between 800mHz-4.4GHz, Mixing signal output is between 4.4GHz-5.4GHz. Built-in calibration signal generator that is used for automatic self test and low input calibration
9.3Excellent
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5
SeesiiSeeSii TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator MF/HF/VHF UHF Input,V0.4.6.1,2025 Upgraded
8.9 Precision8.7 Interactive Display8.7 Simple to useWhy we love it
Wide Frequency Range: 100kHz 5.3GHz
2 in 1 Multifunctional Analyzer/Generator
PC Control, USB Interface
9.1Excellent
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6
Seesii15% OffSeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF
Main highlights- Robust Signal Generation: Functioning as both a spectrum analyzer and signal generator, it produces MF/HF/VHF sine waves from 100kHz-900MHz, UHF square waves from 800MHz-6.3GHz, and mixed signals from 4.4GHz-6.3GHz. Our spectrum analyzer antenna's versatility is perfect for RF system development, wireless communication debugging, and RF interference detection, aiding professionals in identifying and resolving frequency issues.
- Convenient PC Control and Data Transfer: With USB and TinySA-APP connectivity, the device supports real-time data display and transfer, enhancing data management efficiency. This sdr spectrum analyzer includes a 32GB MicroSD card for easy data storage and sharing, catering to spectrum scanning, signal detection, and radio noise measurement needs.
- Broad Frequency Coverage: Supports 100kHz–7.3GHz, ideal for 5G NR, Wi-Fi 6E, satellite communications, and higher wireless frequency bands. Calibrated up to 8GHz, it enables broader applications for high-frequency testing in lab environments. Standard mode covers 100kHz–800MHz, while ULTRA mode extends to 6GHz. With 200Hz–850kHz RBW, it ensures fast, efficient measurements, meeting high-precision needs like SSB two-tone intermodulation tests.
- 2025 Upgraded Tinysa Ultra+ ZS407 Spectrum Analyzer: Supports an ultra-wide frequency range of 100kHz–7.3GHz, delivering precise test data for RF system development, satellite alignment, and frequency verification. Features a 4.0-inch HD touchscreen (480×320 resolution) with up to 450 scan points for clear visualization of complex spectrum data. The intuitive interface ensures ease of use, while ESD protection and the latest V0.5.4 hardware system provide professional and stable performance.
- 10-Hour Working Time: Powered by a 5000mAh rechargeable battery, it offers up to 10 hours of continuous operation, ideal for field use by RF interference troubleshooters and satellite communication technicians. This signal analyzer's compact design makes it portable for various work environments, facilitating quick wireless signal detection and analysis for electronic and audio technicians.
9.0Excellent
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7
AURSINCPortable Tinysa Spectrum Analyzer, AURSINC V0.3.1 Handheld Frequency Analyzer, Signal Generator 100kHz to 960MHz MF/HF/VHF UHF Input ESD Protected Function with 2.8 inch Touchscreen
9.9 worth the money9.3 Precision9.1 Interactive Display8.9Very Good
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8
RigolRigol DSA815-TG 9kHz to 1.5GHz with Pre-Amplifier and Tracking Generator Spectrum Analyzer
9.9 worth the money9.1 Precision8.9 Simple to use8.8Very Good
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9
AURSINC[Upgraded] AURSINC NanoVNA-H Vector Network Analyzer 10KHz -1.5GHz Latest HW V3.6 HF VHF UHF Antenna Analyzer, Measuring S Parameters, SWR, Phase, Delay, Smith Chart
9.7 worth the money9.3 Precision9.1 Interactive DisplayWhy we love it
The NanoVNA can measure antenna performance and save data or screenshots to a MicroSD card.
The NanoVNA has a improved frequency algorithm that supports measurement frequencies up to 1.5GHz.
The NanoVNA has multiple functions, including the ability to measure the complete S11 and S21 parameters.
8.7Very Good
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10
SeesiiSEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.3 10KHz-1.5GHz HF VHF UHF 4" Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart
9.3 Precision8.9 Interactive Display8.7 movabilityWhy we love it
Highly portable with mini design and touchscreen.
MicroSD port for easy data saving and time display.
Improved frequency algorithm for accurate measurements.
8.6Very Good
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