Spectrum Analyzers of 2025
Best Choice1
Clicked 14 times in the last monthSiglentSiglent 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
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.
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
seeed studioRF Explorer Digital Handheld Spectrum Analyzer 6G Combo Plus - Slim
Main highlights- [Tracking mode enabled] – When combined with RF Explorer Signal Generator the analyzer can perform full tracking SNA to define Gain, Attenuation and SWR for 1 and 2 port RF devices such as filters, amplifiers and antennas.
- [Robust design and instant power up] – A fully armored metallic enclosure provides robust mechanical strength and the high quality baked varnished paint provides a unique glossy finish. The device is designed and manufactured to last many years of demanding usage in the field, with internal rechargeable Lithium battery for hours of continuous usage.
- [Impressive frequency range] – Scan and diagnose any frequency starting in low frequency 50KHz up to high frequency 6.1GHz, with no gaps or limitations. Offering this wide operating range, it can detect all WiFi, cell stations and phones, IoT, HAM bands, Digital radio and TV, ISM bands, Drone links and pretty much all wireless technologies used in todays demanding communications world.
- [Free Computer software] - When connected to a Windows, Linux or Mac computer the analyzer can display advanced high resolution graphics, including Power Meter and Spectrum Analyzer real time charts, historical charts, save data to CSV files and export to other tools such as WW6 or MatLab, define markers and limit lines and much more. Free open source API and libraries are available to customize your own applications and services.
- [Advanced features] – Included advanced high-resolution Spectrum Analyzer mode, WiFi Analyzer mode, Tracking SNA. Internal firmware is continuously updated with additional features and functions to improve the device capabilities.
8.6Very Good
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10
GenericSpectrum Analyzer, BDS PP-131P Digital Audio Spectrum Analyzer, Display Music Spectrum VU Meter Audio 31 Segments (Noise Edition, Green Color)
Main highlights- VU meter supports PHT (PEAK HOLD TIME) peak hold time setting and MFT (MAIN FALL TIME) main spectrum fall time setting
- Spectrum analyzer upgraded with plnk noise design with standard 2U thin and ultra-small chassis size using high-performance DSP chip control
- Spectrum analyzer supports spectrum light brightness adjustment and input level sensitivity adjustment
- Panel of the spectrum analyzer is simple, easy to control, durable and stable. Input and output support XLR and RCA socket
- Audio spectrum analyzer has accurate real-time 31-band frequency point level and each frequency point uses 30 lights to display the level signal
8.4Good
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