Best Realtime Spectrum Analyzers In January 2025

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This guide comes with the top 10 Best Realtime Spectrum Analyzers available on the market. Therefore, if you are looking for the Best Realtime Spectrum Analyzers, you have everything you need here.

To help you in your search, we have completed this list of the Best Realtime Spectrum Analyzers.

Top Rated Best Realtime Spectrum Analyzers Of 2025

Rank	Product Name	Score
1	Tektronix RSAS103B 1Hz-3GHz Real Time Spectrum Analyzer Opt.12/20/50/56/B40 Buy Now	9.7 Buy Now
2	Rigol RSA3030-TG - 3.0 GHz Real-Time Spectrum Analyzer with Tracking Generator Buy Now	9.5 Buy Now
3	Rigol RSA3030-3.0 GHz Real-Time Spectrum Analyzer Buy Now	9.1 Buy Now
4	Rigol RSA3030E-TG - 3 GHz Real Time Spectrum Analyzer with Tracking Generator Buy Now	8.8 Buy Now
5	Rigol RSA3015E - 1.5 GHz Real Time Spectrum Analyzer (without Tracking Generator) Buy Now	8.6 Buy Now
6	Rigol RSA3015E-TG - 1.5 GHz Real Time Spectrum Analyzer with Tracking Generator Buy Now	8.3 Buy Now
7	RSA306B Real-time Spectrum Analyzer, 9 kHz to 6.2 GHz, 40 MHz Acquisition Bandwidth Buy Now	8.1 Buy Now

1. Tektronix RSAS103B 1Hz-3GHz Real Time Spectrum Analyzer Opt.12/20/50/56/B40

2. Rigol RSA3030-TG - 3.0 GHz Real-Time Spectrum Analyzer with Tracking Generator

• Phase noise: 102 dbc/hz (typical)
• 3.0ghz real-time spectrum analyzer w/10mhz rtbw (upgradable to 40mhz) and tracking generator
• 3.0 ghz real-time spectrum analyzer with tracking generator
• Displayed average noise level (danl): 161 dbm (typical)
• Ultra-real technology

3. Rigol RSA3030-3.0 GHz Real-Time Spectrum Analyzer

• 3.0 ghz real-time spectrum analyzer w/10mhz rtbw (upgradable to 40mhz)
• Displayed average noise level (danl): 161 dbm (typical)
• Ultra-real technology
• Phase noise: 102 dbc/hz (typical)
• 3.0 ghz real-time spectrum analyzer

4. Rigol RSA3030E-TG - 3 GHz Real Time Spectrum Analyzer with Tracking Generator

• 3 ghz bandwidth
• Real time spectrum analyzer
• Rsa3000e series
• Includes a tracking generator
• 3.0 ghz real-time spectrum analyzer w/10mhz rtbw and tracking generator

5. Rigol RSA3015E - 1.5 GHz Real Time Spectrum Analyzer (without Tracking Generator)

• Real time spectrum analyzer
• This version does not include a tracking generator
• 1.5 ghz bandwidth
• 1.5 ghz real-time spectrum analyzer w/10mhz rtbw
• Rsa3000e series

6. Rigol RSA3015E-TG - 1.5 GHz Real Time Spectrum Analyzer with Tracking Generator

• 1.5 ghz bandwidth
• Includes a tracking generator
• 1.5 ghz real-time spectrum analyzer w/10mhz rtbw and tracking generator
• Rsa3000e series
• Real time spectrum analyzer

7. RSA306B Real-time Spectrum Analyzer, 9 kHz to 6.2 GHz, 40 MHz Acquisition Bandwidth

• Portable usb spectrum analyzer ready to connect to a pc with usb 3. 0
• Improved dynamic range (reduced spurious)
• Affordable less than half the cost of a conventional unit, plus free signalvu-pc signal analysis software
• Customizable configure rsa306b + signalvu-pc for internet of things, interference hunting or education