You will find our hand-picked selection of Best Rf Spectrum Analyzer below. You have a wide variety of choices of brands such as Seesii,Luoyiilea,AURSINC available to you as a result of the fact that each one of them has a unique pricing, look, and feel. Continue reading for an in-depth analysis in our Best Rf Spectrum Analyzer buying guide!
Our experts tested a variety of Best Rf Spectrum Analyzer on the market. Right at the top of the list is Seesii Best Rf Spectrum Analyzer. Check out some more of our favorites below, and read some valuable insight from our experienced editors.
Editor's Choice
EMF Meter,Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF RF meter, 5G Cell
Premium Pick
SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz
Budget Pick
LUOYIILEA TTinySA Ultra+ ZS407 4-Inch Spectrum Analyzer (100kHz-7.3GHz) & Signal Generator
Top 10 Best Rf Spectrum Analyzer
We researched and compared the top products in the Best Rf Spectrum Analyzer category to provide you with these recommendations.
1. SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency
- 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 level 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 5.3GHz 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 3000m-ah rechargeable battery,with type-C charging cable and LED charging indicator,it can be fully charged within 3 hours,no need to charge frequently
2. SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz
- 2025 Upgraded Tinysa Ultra+ ZS407 Spectrum Analyzer: Supports an ultra-wide frequency range of 100kHz7.3GHz, delivering precise test data for RF system development, satellite alignment, and frequency verification. Features a 4.0-inch HD touchscreen (480320 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 100kHz7.3GHz, 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 100kHz800MHz, while ULTRA mode extends to 6GHz. With 200Hz850kHz 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.
3. LUOYIILEA TTinySA Ultra+ ZS407 4-Inch Spectrum Analyzer (100kHz-7.3GHz) & Signal Generator
- The 2025 Upgraded TinySA Ultra+ ZS407 is a high-performance, portable spectrum analyzer featuring an ultra-wide frequency range of 100 kHz to 7.3 GHz. It is designed for precise signal capture and analysis across a broad spectrum, making it suitable for RF system development, satellite alignment, frequency verification, 5G NR, Wi-Fi 6E, and other wireless applications. The device also integrates a powerful signal generator, offering exceptional versatility for various testing scenarios.
- Ultra-Wide Frequency Range: Covers 100 kHz to 7.3 GHz (level calibrated up to 7.3 GHz, with the capability to observe signals up to 12 GHz). Standard mode operates from 100 kHz to 800/900 MHz, while ULTRA mode extends coverage up to 6 GHz/7.3 GHz. This expanded range ensures accurate measurements in complex RF environments.
- High-Gain Low-Noise Amplifier (LNA): Incorporates an internal LNA with a gain of up to 20 dB at 7.3 GHz. It achieves a Displayed Average Noise Level (DANL) as low as -169 dBm/Hz at 100 MHz (with LNA on), effectively enhancing weak signal reception and minimizing noise interference for superior measurement accuracy.
- 2-in-1 Signal Generator: Functions as a robust signal generator, producing.MF/HF/VHF sine waves from 100 kHz to 900 MHz.UHF square waves from 800/900 MHz to 6.3 GHz.Mixed/RF test signals from 4.4/6.3 GHz up to 7.3 GHz.This wide range of signal types enhances its utility for RF development, wireless communication debugging, and interference detection.
- Excellent Phase Noise Performance: Delivers outstanding signal purity with phase noise of -100 dBc/Hz at a 10 kHz offset and -103 dBc/Hz at a 100 kHz offset, which is crucial for high-precision RF measurement and evaluating communication system performance.
- Extended Battery Life: Powered by a built-in 3.7V 5000mAh Li-polymer rechargeable battery, it supports up to 10 hours of continuous operation, ideal for field work, prolonged testing, and outdoor use.
- PC Control & Data Management: Supports connectivity via USB and the TinySA app for PC control, enabling real-time data display, effortless data transfer, and in-depth analysis. A built-in 32GB microSD card facilitates convenient on-site data storage and sharing.
- User-Friendly Design: Boasts an intuitive interface, ESD protection, and the latest V0.5.4 hardware system for professional and stable performance. Its compact and portable design is perfect for technicians in various field environments.
4. AURSINC Tinysa Ultra+ ZS407 Spectrum Analyzer, 4.0 Inch 100kHz-7.3GHz Tinysa Handheld Frequency
- AURSINC 2025 Upgraded Tinysa Ultra plus ZS407 spectrum analyzer: With ultra-wide frequency range of 100kHz-7.3GHz, enabling you to capture and analyze a broader spectrum of signals precisely. With 4 IPS-TFT LCD (480320) display can show a maximum of 450 points per scan, clearly presenting signal details and measurement results. Supports PC control, enabling easy data transfer and analysis
- Ultra-Wide Frequency Range: The TinySA Ultra+ ZS407 Spectrum Analyzer covers a frequency range of 0.1 - 900MHz, with Ultra mode enabled up to 7.3 GHz, level calibrated up to 7.3GHz. Can observe signals up to 12GHz, which represents a significant improvement over previous models. It can accurately capture and analyze a broader range of signals, making it suitable for a variety of complex RF testing scenarios
- Powerful Signal Generation Capability: The Tiny sa Ultra+ ZS407 can act as a Signal Generator with sine wave output between 0.1 MHz and 900 MHz, square wave output up to 6.3 GHz, or RF test signal output up to 7.3 GHz. It has a rich variety of signal generation types and a wide frequency range
- Long-Lasting Battery: Equipped with a Li-polymer 3.7V 5000mAh battery, the battery life is significantly increased compared to previous models. It can meet the needs of continuous testing for a long time or outdoor operations, reducing the inconvenience of frequent charging and improving work efficiency. Built-in 32GB micro SD card, solving the on-site data storage issue, convenient for data sharing and storage
- High-Gain Low-Noise Amplifier (LNA): The internal LNA gain can reach 20dB up to 7.3GHz, effectively enhancing the reception ability of weak signals. At the same time, at 100MHz, the DANL is as low as -169dBm/Hz when the LNA is on, reducing noise interference and improving the accuracy of signal measurement
- Excellent Phase Noise Performance: The phase noise is -100dBc/Hz at a 10kHz offset and -103dBc/Hz at a 100kHz offset. The low phase noise indicates high signal purity, enabling more accurate analysis of signal frequency stability and spectral purity. It is crucial for high-precision RF measurement and communication system performance evaluation
- Pakage List: 1x Tinysa ULTRA+ ZS407 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
5. Portable TinySA Spectrum Analyzer,SEESII Upgraded V0.3.1 Handheld Tiny Frequency Analyzer 100kHz to
- Frequency Range :Tiny Spectrum Analyzer with two inputs, high quality MF/HF/VHF input for 0.1MHZ-350MHz, lesser quality UHF input for 240MHz-960MHz. Switchable resolution bandpass filters for both ranges between 2.6kHz and 640kHz. Color display showing 290 scan points covering up to the full low or high frequency rangefrequency range. The tinySA contains all the components of a conventional heterodyne swept spectrum analyzer
- Built-in Calibration Signal Generator:When not used as Spectrum Analyzer it can be used as Signal Generator, MF/HF/VHF sinus output between 0.1MHZ-350MHz, UHF square wave output between 240MHz-960MHz. Built-in calibration signal generator that is used for automatic self test and low input calibration
- Tiny Spectrum analyzers & ESD Function: Switchable resolution bandpass filters for both ranges between 2.6kHz and 640kHz.Color display showing 290 scan points covering up to the full low or high frequency range. Bulit-in rechargeable battery allowing a minimum of at least 2 hours portable use.The performance of the 2021 latest version 3.1 will be more stable and sensitive, with a new ESD protrcted function enable the product to have a higher antistatic level and a longer service life
- PC Control: Connected to a PC via USB it becomes a PC controlled Spectrum Analyzer.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
- Package List: 1x Tiny Spectrum Analyzer; 2 x 20cm RF Cable;1 x USB Cable;1 x SMA Female to Female Connector;1x Touchscreen Pen;1 x SMA Telescopic Antenna.It's very useful as an antenna analyzer for your ham station, easy to set without fancy calibration.The firmware of the tinySA can be updated by the user. New versions of the firmware needed please contact seller for download link
6. AURSINC TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz-5.4GHz Handheld Frequency Analyzer
- [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
- [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
7. Portable Tinysa Spectrum Analyzer, AURSINC V0.3.1 Handheld Frequency Analyzer, Signal Generator
- [Tiny Spectrum analyzer] AURSINC Tinysa spectrum analyzer produced by Hugen, with hardware V0.3.1. The firmware of the tinySA can be updated, for newest firmware version update, please refer to: tinysa .org. The version info displayed indicates "ESD Protection" with a diode to improve stability, sensitivity, anti-static level, and longevity
- [Frequency Range] The tiny sa spectrum analyzer with two inputs, high quality MF/HF/VHF input for 0.1MHZ-350MHz, lesser quality UHF input for 240MHz-960MHz. Switchable resolution bandpass filters for both ranges between 2.6kHz and 640kHz. The tinysa includes all the components of a traditional heterodyne swept spectrum analyzer, with a color display showing 290 scan points covering up to the full low or high frequency range
- [Built-in Calibration Signal Generator] When not used as Spectrum Analyzer it can be used as Signal Generator, MF/HF/VHF sinus output between 0.1MHZ-350MHz, UHF square wave output between 240MHz-960MHz. Built-in calibration signal generator enables automatic self-test and low input calibration
- [PC Control] The USB interface realizes the Serial over USB (CDC) protocol and a large number of commands can be called through the serial interface. The commands can be used for measurements or updating internal settings. The Windows driver will automatically install upon connecting to a Windows PC. The driver for Linux is built into the kernel. Tinysa-APP is available to control the tinysa and capture its screen
- [Package List] 1x Tiny Spectrum Analyzer(Bulit-in 500mah battary, 2.8inch touchsreen) ; 2x 20cm/7.87inch RF Cable; 1x USB-C Cable ; 2x SMA Female to Female Connector; 1x Touchscreen Pen; 1x SMA Telescopic Antenna
8. ALIESTFDNO 2025 Upgraded TinySA Ultra+ZS407 Spectrum Analyzer, 4.0 Inch 100kHz to 7.3GHz Handheld
- 2025 Upgraded TinySA Ultra+ZS407ALIESTFDNO New Version Spectrum Analyzer with 4.0 inch 480 x 320 large touchscreen display, 100kHz to 7.3GHz widely measure range, with the new ESD protection function, the product has a higher anti-static level 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 RangeCompared to the tinysa (100kHz to 960MHz), the upgraded tinysa ULTRA has 100kHz to7.3GHz ultra-wide measuring frequency range, spectrum analyzer for 0.1-900MHz, with Ultra mode up to 0.1MHz-8GHz. 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. More accurate measurement performance, you can easily cope with measurement testes in various fields.
- 2 in 1 Multifunctional Frequency Analyzer & Signal GeneratorWhen not used as Spectrum Analyzer it can be used as Signal Generator,with sine output between 0.1-900MHz or square or dual tone output up to 6.3GHz. Built-in calibration signal generator that is used for automatic self test and low input calibration.
- 200Hz-850kHz RBWThe 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). The upgraded tinysa analyzer built-in 5000m-ah rechargeable battery,with type-C charging cable and LED charging indicator,it can be fully charged within 3 hours,no need to charge frequently.
- PC ControlConnected 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 will install automatically after connecting to a PC. The driver for Linux is built into the kernel.
- Package List1x Tinysa ULTRA Spectrum Analyzer; 2 x30cm ALSR100 SMA cables;1 x USB Type-C data cable;1 x SMA-SMA barrel connector ;1x TLanyard and touch plectrum;1 x Antenna with SMA connector. 1 x32GB MicroSD card(plugged in the host), 1 x Touchscreen pen.
9. SEESII TinySA Ultra+ ZS406 5.4GHz Spectrum Analyzer with Hard Case: 4 inch Portable RF Test Kit with
- TinySA ULTRA+ and 4 inch Protective Case:This TinySA ULTRA+ ZS406 4GHz Spectrum Analyzer Kit comes with a heavy-duty EVA storage case, providing complete protection for your precision RF testing equipment. Compact and practical, this case is a must-have for engineers, hobbyists, or ham radio enthusiasts. Perfect for business trips, workshops, or outdoor testing
- 2-in-1 Functionality: Spectrum Analyzer + Signal Generator:Use it as both a high-performance spectrum analyzer and signal generator with sine/square wave output (0.1-800MHz standard, up to 4.4GHz). The built-in calibration signal and switchable resolution filters (200Hz-850kHz) make it ideal for antenna tuning, EMI testing, and RF circuit debugging
- Complete Protection & Connectivity:Your spectrum analyzer stays protected in the waterproof/shockproof EVA case with custom foam insert, while enjoying PC connectivity via USB (Windows/Linux/Mac compatible) and long-lasting 3000mAh battery with Type-C charging - all enhanced by the included 32GB microSD card for convenient data storage and transfer
- Frequency Range:Compared to the tinysa (100kHz to 960MHz), the upgraded tinysa ULTRA+ has 100kHz to 5.3GHz 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
- 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
10. EMF Meter,Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF RF meter, 5G Cell
- Multiple high sensitivity sensors installed for detecting Power line, Smart meter, Cell phone, Microwave etc.
- Identify/recognize the common possible sources, such as Power line, Cell Tower, Microwave, Static etc.
- Safety suggestion lets you understand current situation instantly.
- Detects 5G network signal and RF up to 10Ghz
- Built-in RF Spectrum analyzer and GQ RF Browser for real time RF monitoring.
Peter
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