10 Best vector network analyzers of 2025

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1

Seesii
Seesii LibreVNA 2.0 100kHz-6GHz Vector Network Analyzer, NanoVNA Antenna Analyzer USB Based Full 2-Port with External Reference Input/Output,6-Layer PCB Design Measure Full S-Parameters
Main highlights

Ultra-Wide Frequency Range and High Port Isolation
The LibreVNA Antenna Analyzer offers a 100kHz to 6GHz range, with over 90dB port isolation below 3GHz, and high-frequency port matching via a 6-layer PCB.

Ideal for Electronics Engineers and Radio Enthusiasts
Perfect for electronics engineers, amateur radio operators, and radio DIY enthusiasts, providing full S-parameters measurements and rapid scanning capabilities.

Frequency Stability and Signal Accuracy
Customers praise its frequency stability and signal accuracy, with a stable output within 2 ppm, making it reliable for precise measurements.
Key specs
- Frequency Range:100kHz to 6GHz
- Measurement Modes:Full S-Parameters
- Dynamic Range:Up to 100dB
- Scan Speed:Over 10,000 points/second
- Memory Card:N/A
9.7

Exceptional

Our Rating

9.3
Precision

8.2
Temperature control

8.0
Tech Support
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Value for Money

2

AURSINC

AURSINC LibreVNA 2.0 Vector Network Analyzer, 100KHz-6GHz Professional Antenna Analyzer Measuring Full S Parameters with External Reference Input/Output, USB Based Full 2-Port Interface
9.5

Excellent

Our Rating

9.5
Precision

8.2
Simple to use
3

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
9.4

Excellent

Our Rating

9.7
worth the money

9.3
Precision

9.1
Interactive Display
4

Seesii
SEESII 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
Main highlights

4.3 Inch LCD Touchscreen and Portability
The SeeSii NanoVNA-H4 features a 4.0-inch LCD touchscreen, 10KHz-1.5GHz range, and a mini, portable design ideal for antenna analysis and SWR evaluation.

Ideal for Antenna Tuning and SWR Measurements
Perfect for electronics engineers, amateur radio operators, and DIY enthusiasts for tuning antennas, measuring impedance, and performing SWR measurements with high accuracy.

Highly Praised for Value and Versatility
Customers appreciate the excellent value for money, versatile measurement capabilities, and enhanced usability with PC software NanoVNASaver, despite a learning curve.
9.3

Excellent

Our Rating

9.3
Precision

8.9
Interactive Display

8.7
movability
5

Seesii

Seesii NanoVNA-F V3 Vector Network Analyzer, [Upgraded] 1MHz-6GHz 4.3 Inch HF VHF UHF VNA Antenna Analyzer, Measuring S-Parameter Voltage SWR,Phase,Delay,Smith Chart,RTC Real-time,801 Scan Points

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9.0

Excellent

Our Rating
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6

Seesii

Upgraded NanoVNA-F V2 Vector Network Analyzer 50kHz-3000MHz HF VHF UHF VNA Antenna Analyzer 4.3 inch with 5000mA-h,Measuring S-Parameter Voltage SWR, Phase, delay, Smith Chart
8.9

Very Good

Our Rating

9.3
Interactive Display

9.3
Precision

9.1
worth the money
7

TOSTOG

NanoVNA-H4 Vector Network Analyzer with 32GB Card, V4.3 10KHz -1.5GHz Upgraded HF VHF UHF Antenna Analyzer 4" Touch Screen, Voltage Standing Wave Ratio, Phase,Delay, Smith Chart
8.6

Very Good

Our Rating
8

AURSINC
AURSINC Upgrated NanoVNA-H4 Vector Network Analyzer, Lastest V4.3 10KHz-1.5GHz HF VHF UHF 4" Touch Screen VNA Antenna Analyzer Ham Radio, Measuring S Parameters, SWR, Phase, Delay, Smith Chart
Main highlights

Upgraded Features and Portability
The NanoVNA-H4 V4.3 offers advanced vector network measurement capabilities, a 4-inch LCD display, 1950mAh battery, USB power, and supports up to 32GB SD cards.

Ideal for Ham Radio and RF Engineers
Perfect for ham radio operators, electrical engineers, and antenna builders. It measures antenna performance and checks cable installations efficiently.

Praised for Affordability and Functionality
Customers appreciate its value for money, ease of use, and comprehensive features, despite minor touchscreen issues. It's a game changer for antenna analysis.
Key specs
- Frequency Range:50K-1.5GHz
- Measurement Modes:S11, S21
- Dynamic Range:40-70dB
- Scan Speed:N/A
- Memory Card:Supports up to 32GB
8.5

Good

Our Rating

9.7
worth the money

9.5
Precision

9.3
Battery Duration
9

YZTERA

YZTERA SV4401a 7 inch Touch LCD 50khz 4.4ghz Vector Network Analyzer hf VHF uhf Antenna Analyzer Update from nanovna vna
8.4

Good

Our Rating
10

Seesii

SEESII Nanovna-H Vector Network Analyzer,Upgraded HW3.6 10KHz-1.5GHz MF HF VHF UHF Antenna Analyzer, Measuring S Parameters, Voltage Standing Wave Ratio,Phase,Delay,Smith Chart,Support Data Storage
8.3

Good

Our Rating

10 Best vector network analyzers of 2025

1

Seesii LibreVNA 2.0 100kHz-6GHz Vector Network Analyzer, NanoVNA Antenna Analyzer USB Based Full 2-Port with External Reference Input/Output,6-Layer PCB Design Measure Full S-Parameters

9.3

8.2

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

AURSINC LibreVNA 2.0 Vector Network Analyzer, 100KHz-6GHz Professional Antenna Analyzer Measuring Full S Parameters with External Reference Input/Output, USB Based Full 2-Port Interface

9.5

8.2

3

[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

9.3

9.1

4

SEESII 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

8.9

8.7

5

Seesii NanoVNA-F V3 Vector Network Analyzer, [Upgraded] 1MHz-6GHz 4.3 Inch HF VHF UHF VNA Antenna Analyzer, Measuring S-Parameter Voltage SWR,Phase,Delay,Smith Chart,RTC Real-time,801 Scan Points

6

Upgraded NanoVNA-F V2 Vector Network Analyzer 50kHz-3000MHz HF VHF UHF VNA Antenna Analyzer 4.3 inch with 5000mA-h,Measuring S-Parameter Voltage SWR, Phase, delay, Smith Chart

9.3

9.3

9.1

7

NanoVNA-H4 Vector Network Analyzer with 32GB Card, V4.3 10KHz -1.5GHz Upgraded HF VHF UHF Antenna Analyzer 4" Touch Screen, Voltage Standing Wave Ratio, Phase,Delay, Smith Chart

8

AURSINC Upgrated NanoVNA-H4 Vector Network Analyzer, Lastest V4.3 10KHz-1.5GHz HF VHF UHF 4" Touch Screen VNA Antenna Analyzer Ham Radio, Measuring S Parameters, SWR, Phase, Delay, Smith Chart

9.7

9.5

9.3

9

YZTERA SV4401a 7 inch Touch LCD 50khz 4.4ghz Vector Network Analyzer hf VHF uhf Antenna Analyzer Update from nanovna vna

10

SEESII Nanovna-H Vector Network Analyzer,Upgraded HW3.6 10KHz-1.5GHz MF HF VHF UHF Antenna Analyzer, Measuring S Parameters, Voltage Standing Wave Ratio,Phase,Delay,Smith Chart,Support Data Storage

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