10 Best Frequency Analyzer Spectrum Analyzer in The UK

Last updated on 02/08/2025

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Best Choice

9.8

Exceptional

GW Instek

GW Instek GSP-730 Spectrum Analyzer, 150kHz-3GHz Frequency Range

Why We Love It

Wide frequency range capabilities.
User-friendly autoset function.
Impressive noise floor sensitivity.

Main Highlights

Frequency Range : 150kHz ~ 3GHz
Autoset Function
Noise Floor: ≦-100dBm
RBW Range : 30kHz, 100kHz, 300kHz, 1MHz
ACPR/CHPW/OCBW measurement

OWON XSA815-TG (with Tracking Generator) Portable Spectrum Analyzer Digital Logic Analyzer,9 Inch TFT LCD Frequency Range 9kHz to 1.5GMHz Machine Measuring Instrument for Certain Parameters

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Why We Love It

Quick detection of signals' parameters.
High performance with USB support.
Waterfall chart for signal analysis.

Main Highlights

Quick detection function: car remote key TPMS tyre pressure modules and small radio modules usually use ASK / FSK modulation. XSA815TG can complete the capture of ASK/FSK signals and directly retrieve its mid frequency, power and offset parameters.
High performance: supports the communication port USB host, USB device, LAN, headphone jack and VGA. Up to 1.5GHz tracking generator kit (optional) Total amplitude accuracy,can meet the needs of most people.
Provides EMC test function (requires optional software): Built-in more than 200 common EMC test standards and control templates. The user selects the corresponding template and the software automatically sets the spectrum analyser and records the test data. The data and regulations can be compared on the same screen. Users can also adjust rules for comparative analysis.
Waterfall chart graphic: show the behaviour of different signal parameters over time. Track frequency and performance behaviour over time, especially intermittent signals. The user can use the waterfall chart to analyse the stability of a signal over time or identify intermittent interference signals in communication systems.
Widely used: Provides EML pre-compliance test function,standard equipped with EML filter (6dB) and quasi peak detector, it is more accurate for EML pre-test and diagnosis.Test the power consumption of home and office equipment, input surwaves and standby power, amplitude and electrical levels etc.

SeeSii 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 Input

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Why We Love It

Wide frequency range coverage.
Intuitive HD touchscreen display.
Long battery life convenience.

Main Highlights

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
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
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
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

LATNEX SPA-6G RF Explorer Spectrum Analyzer 6G Combo. Handheld Frequency Analyzer for Ham Radio, Wireless Devices, WiFi Networks, Audio Engineers (15-2700 MHz and 4850-6100MHz)

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Why We Love It

Impressive wide frequency band.
Identifies WiFi problems efficiently.
Deluxe carry case included.

Main Highlights

[ Impressive Wide Frequency Band ] – 15 MHz to 2.7 GHz and 4.85 GHz to 6.1 GHz (3G and 6G Combo models)
[ WIFI Analyzer Mode ] – Allow you to identify Wifi issues and find the optimized channel or the best place for your routers or access-points to be places
[ Advanced Functionatily Available ] – Connecting to a Windows or MAC PC using the free downloadable professional software with Waterfall 3D and 2D elements
[ Deluxe Carry Case & Firmware Upgrade ] – Keep accessoires organized and your device protected. Firmware: some of the features and operation accuracy will be improved in upcoming lifetime free firmware revisions
[ Comprehensive Support and Easy Returns ] – Your purchase includes both technical support and an easy returns policy. Our team is happy to help you via phone or email through Amazon Messages

SeeSii 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

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Why We Love It

Large touchscreen for easy viewing.
Ultra-wide measuring frequency range.
Multifunctional with Signal Generator.

Main Highlights

Upgraded ZS406 TinySA Ultra+:This New Version V0.4.6.1 Spectrum Analyzer is developed by Hugen, with 4.0 inch 480 x 320 large touchscreen display, 100kHz to 5.4GHz widely measure range, with the new ESD protection function, the product has a higher anti-static lAevel and a longer service life, and built-in 32Gb micro SD card, can directly record data to the card ,which is convenient for your data sharing and storage
Frequency Range: Compared to the tinysa (100kHz to 960MHz), the upgraded tinysa ULTRA+ has 100kHz to 5.4GHz ultra-wide measuring frequency range, spectrum analyzer for 0.1-800MHz, with Ultra mode up to 0.1MHz-6GHz.Switchable resolution band pass filters for both ranges between 200Hz to 850kHz. Color display showing 450 scan points covering up to the full low or high frequency range. Faster and more accurate measurement performance, you can easily cope with measurement testes in various fields
2 in 1 Multifunctional Frequency Analyzer & Signal Generator:When not used as Spectrum Analyzer it can be used as Signal Generator,with sine wave output between 0.1-800MHz or square wave or dual tone output up to 4.4GHz.Built-in calibration signal generator that is used for automatic self test and low input calibration
PC Control: Connected to a PC via USB it becomes a PC controlled Spectrum Analyzer or Signal Generator.Tinysa-APP transfers data directly to the computer.The USB interface implements 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
Ultra-long Battery Life: The upgraded tinysa analyzer built-in 5000mAh rechargeable battery,with type-C charging cable and LED charging indicator,it can be fully charged within 3 hours,no need to charge frequently

TinySA ULTRA Spectrum Analyzer, 100kHz-5.3GHz V0.4.5.1 Frequency Analyzer, 100kHz-800MHz RF Signal Generator, RBW LNA DANL Phase Noise, MF/HF/VHF/UHF Input, 4” Touch Screen, 32GB Card

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Why We Love It

Ultra-wide frequency range.
Responsive 4” touchscreen display.
Includes 32GB SD card.

Main Highlights

Spectrum Analyzer upgraded with an ultra-wide frequency range 100kHz-5.3GHz, spectrum analyzer for 100kHz-800MHz, RBW 200Hz-850kHz
Signal Generator also serves as a signal generator for automatic self-testing and low input calibration: sine wave output 100kHz-800MHz, square wave output 800MHz-4.4GHz, and mixed signal output 4.4GHz-5.4GHz
TinySa Ultra Spectrum Analyzer features a 4” touch screen, responsive to operate, intuitive to display data and graphics
Spectrum Analyzer equipped with ESD protection function to safeguard the device, reduce potential malfunction, and prolong service life
Signal Generator comes with a 32GB SD card to directly save data, and also supports link to PC via mobile App

AURSINC 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

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Why We Love It

Upgraded frequency analyzer features.
Wide frequency range.
Dual function spectrum analyzer.

Main Highlights

【Upgraded 2025 Tinysa ultra+】AURSINC Tinysa Ultra+ ZS406 installed with NEW HW V0.4.6, with 4.0 inch 480*320 touchscreen display, 100kHz to 5.4GHz 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
【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
【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
【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)
【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
【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
【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

4Inch TinySA Ultra Spectrum Analyzer 100kHz-5.3GHz,V0.4.5.1 Portable Tiny Frequency Analyzer with 32GB SD Card & 3000mAh Battery, 2-in-1 RF Signal Generator RBW LNA DANL Phase Noise

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Why We Love It

Wide frequency range capability.
Built-in signal generator feature.
Convenient data storage option.

Main Highlights

【New TinySA Ultra Mode】The ULTRA Tinysa developed by Hugen can reach an ultra-wide frequency range from 100kHz to 5.3GHz. The 4-inch large screen provides clear data images and sensitive operation touch. It also has a new ESD protection function, installed the latest hardware system V0.4.5.1, professional and stable.
【Frequency Range】ULTRA tinysa has 100kHz to 5.3GHz ultra-wide measuring frequency range, spectrum analyzer for 0.1-800MHz. In Ultra mode, up to 0.1MHz-6GHz. It has 200Hz-850kHz RBW, adjacent signals effectively distinguished when RBW reach 200Hz, meet SSB two-tone test requirements, maximum width 850kHz, RBW implements fast scanning.
【Used As Signal Generator】It is 2 in 1 device, can be used as Signal Generator. Built-in calibration signal generator that is used for automatic self test and low input calibration. 100k-800MHz sine wave output; 800MHz-4.4GHz square wave output; 4.4GHz-5.4GHz mixing signal output.
【Include 32GB SD Card】 This ULTRA spectrum analyzer built-in 32Gb micro SD card, can directly record data to the card ,which is convenient for your data sharing and storage. You won't be bothered by saving data any more, and can take tinysa for use at anywhere and anytime.n 240MHz-960MHz.
【3000mAh Rechargeable Battery & PC Control】 The tinysa analyzer built-in 3000mAh rechargeable battery，can be used for up to 8 hours. Support PC Control，you can also transfer data to your computer through tinySA-APP connection. The driver for Windows will install automatically after connecting to a Windows PC. The driver for Linux is built into the kernel.

EDEDE Network Analyzer, Ultra Spectrum Analyzer 4.0" 100kHz To 5.3GHz Tiny Frequency Analyzer 2-in-1 Signal Generator MF/HF/VHF UHF Input

Why We Love It

Compact display for easy viewing.
Wide frequency for diverse applications.
Portable design for on-the-go use.

Main Highlights

Compact 4.0" display for easy visualization of frequency signals.
Wide frequency range from 100kHz to 5.3GHz, suitable for various applications.
2-in-1 functionality as both a frequency analyzer and signal generator.
for testing, troubleshooting, and signal analysis in different environments.
Lightweight and portable design, peect for on-the-go professionals and hobbyists.

Portable Spectrum Analyzer 2-in-1 Signal Generator 4.0 Inch Frequency Analyzer 100kHz To 5.3GHz 5000mAh Battery with 32GB Card Antenna Analyzer

Why We Love It

Enhanced usability with intuitive design.
Long-lasting battery for extended use.
Versatile 2-in-1 functionality included.

Main Highlights

Enhanced Display and Usability: The Spectrum Analyzer features an upgraded 4-inch IPS LCD screen and intuitive knob design, providing precise touch sensitivity and easy operation for quick data reading on the Handheld Spectrum Analyzer.
Extended Battery Life: The Portable Spectrum Analyzer comes with a built-in 5000mAh rechargeable battery, offering up to 10 hours of use. Equipped with a Type-C charging cable, it minimizes the need for frequent recharging.
2-in-1 Functionality: This Frequency Analyzer doubles as a signal generator, offering impressive features in a compact design. It covers a frequency range of 0.1-800MHz, with advanced modes reaching up to 5.3GHz.
Advanced Signal Capabilities: The Spectrum Analyzer & Signal Generator outputs sine waves from 01800MHz and square or test signals up to 53GHz providing versatile signal analysis and generation
Comprehensive Features: Includes a switchable resolution filter (200Hz to 850kHz), optional 20dB LNA, adjustable input attenuator (0-31dB), built-in calibration, and USB connectivity for PC control, ensuring seamless data transfer and analysis.

8.7

Excellent

We scanned 1849 products

We reviewed these offers relevant to the Frequency Analyzer Spectrum Analyzer within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like GW Instek, OWON, Seesii, LATNEX, Generic, AURSINC, SDRGEEK, EDEDE, TETEOM, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Frequency Analyzer Spectrum Analyzer in the market, we considered we took a deep dive into 9246 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is GW Instek GSP-730 Spectrum Analyzer, 150kHz-3GHz Frequency Range. We love many things about this product by GW Instek. What sets it apart from the competition is Wide frequency range capabilities. , User-friendly autoset function. , Impressive noise floor sensitivity. .
The best value product for most shoppers and where user satisfaction is continuously the highest is OWON XSA815-TG (with Tracking Generator) Portable Spectrum Analyzer Digital Logic Analyzer,9 Inch TFT LCD Frequency Range 9kHz to 1.5GMHz Machine Measuring Instrument for Certain Parameters by OWON based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Frequency Analyzer Spectrum Analyzer and the best cost-to-value ratio is AURSINC 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 Inputat AURSINC with a 15% discount.
Our list of the best Frequency Analyzer Spectrum Analyzer is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Frequency Analyzer Spectrum Analyzer in The UK

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We scanned 1849 products

We concluded that: