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AURSINC 7inch NanoVNA SV4401A Vector Network Analyzer, 50KHz-4.4GHz Antenna Analyzer with 6700mAh Battery 8GB Storage Measuring S Parameters, Voltage
SLL 14121673
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The SV4401A delivers crisp, clear visuals—its high-brightness design ensures screen content remains easily visible even in outdoor settings.
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Product Details
- [Wide-Frequency Range] The SV4401A is a high-performance handheld VNA with a measurement frequency range of 50kHz-4.4GHz. It is capable of measuring S11 and S21 parameters—with a dynamic range of 50dB for S11 and 75dB for S21—delivering reliable accuracy for your testing needs. Ideal for testing MF/HF/VHF/UHF band antennas (shortwave, ISM, WiFi, Bluetooth, GPS). It also works for measuring RF components (filters, amplifiers, attenuators, cables, power dividers, couplers, duplexers)
- [7-Inch HD IPS Touchscreen, Smooth, Efficient Operation] The SV4401A antenna analyzer has a 7-inch HD IPS capacitive touchscreen (1024*600 resolution), offering crisp visuals—its high brightness ensures clear visibility even outdoors. Featuring a full-touch operation paired with 4 physical buttons, it lets you quickly adjust frequencies, set scales, toggle traces, add/delete markers, take screenshots—for smooth, efficient use
- [N-type RF Connectors, Compact Design] The SV4401A features durable N-type RF connectors—and includes N-to-SMA adapters and SMA extension cables, making it easy to connect to various test items. This VNA is compact (190 x 130 x 30mm) for on-the-go testing, and includes a rear stand for convenient desktop use, balancing portability and desktop practicality. Its all-metal body also provides effective electromagnetic interference (EMI) shielding, ensuring reliable measurement stability
- [Long-Lasting Battery, 8GB Storage] The NanoVNA SV4401A boasts an upgraded 6700mAh battery (powered by two 3350mAh cells), delivering up to 10 hours of continuous use for outdoor/mobile testing. It features a USB Type-C port, with the included Type-C cable supporting charging, data transfer, and firmware upgrades. And, a built-in 8GB TF card lets you save calibration data, SNP files, screenshots, and more, making it easy to analyze test data
- [PC Software Control] The SV4401A VNA is compatible with Windows/Linux/Macos. Connect the VNA to your PC via the included USB Type-C cable, and you can use the serial port to control: set start/end frequencies, obtain measurement results, and adjust marking points effortlessly. Continuous firmware optimizations and updates—upgrade easily via virtual USB drive using the USB Type-C cable (2025 Latest Firmware Version: SV6301A_App_v0.7.1)
- [Excellent Performance] The SV4401A offers a measurement speed of 400 points/econd—enabling quasi-real-time measurements—and a maximum scan point of 1001. The SV4401A Vector Network Analyzer supports multiple display formats: amplitude-frequency curves, phase-frequency curves, VSWR (Voltage Standing Wave Ratio), Smith Chart, polar coordinates, and group delay. And, it comes with a built-in TDR function, specifically designed for measuring cable length
| Power Source | Battery Powered |
| Compatible Devices | Windows, Linux, MacOS computers |
| Item Weight | 1.5 Pounds (680 grams) |
| Brand Name | AURSINC |
| Manufacturer | AURSINC |
| Part Number | NanoVNA SV4401A |
| Included Components | NanoVNA SV4401A |
| Unit Count | 1.0 Count |
| Brand | AURSINC |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
NanoVNA SV4401A
Who Should Buy?
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RF Engineers
Designed for professionals to analyze antennas and transmission lines with precision and efficiency in RF applications.
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Hobbyist Technicians
Ideal for electronics enthusiasts seeking an affordable yet powerful tool for testing and experimenting with RF components.
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Field Operators
Portable device with a large battery capacity enables field measurements without needing constant power sources.
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Casual Users
Overly complex for those who only need basic tools for simple measurements without advanced features.
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Budget Consumers
May be seen as relatively expensive compared to basic multimeters or simpler testing devices for minor tasks.
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Absolute Beginners
Requires a certain level of technical knowledge which may overwhelm individuals who are new to RF analysis.
Product Description
Customer Questions & Answers
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Question:
What is the frequency range of the AURSINC 7inch NanoVNA SV4401A?
Answer: The AURSINC 7inch NanoVNA SV4401A operates within a frequency range of 50KHz to 4.4GHz. This broad range enables users to analyze and test a variety of RF components and antennas. Whether you are working on ham radio antennas, measuring network parameters of transmission lines, or developing RF hardware, this frequency capability makes it an ideal tool for both hobbyists and professionals alike. -
Question:
How does the AURSINC NanoVNA measure S-parameters?
Answer: The NanoVNA measures S-parameters (scattering parameters) by sending a known signal through a device and analyzing how much of that signal is reflected back or transmitted through. This allows users to evaluate the performance characteristics of RF components. Accurate measurement of S-parameters is crucial for optimizing antenna designs or ensuring signal integrity in RF circuits, which is where this analyzer shines. -
Question:
What type of battery does the AURSINC NanoVNA use and how long does it last?
Answer: The AURSINC NanoVNA is equipped with a 6700mAh rechargeable battery. This substantial battery capacity allows for extended usage time, making it convenient for fieldwork without the need for constant recharging. Users can rely on the device for comprehensive tests and analyses, particularly in environments where access to power sources is limited. -
Question:
Is the AURSINC NanoVNA easy to use for beginners?
Answer: Yes, the AURSINC NanoVNA is designed with user-friendliness in mind, making it accessible for beginners while still catering to advanced users. Its interface, which often includes a touch screen for easy navigation, simplifies the process of measuring and adjusting settings. For those starting in RF analysis, the availability of tutorials and community support further enhances the learning experience. -
Question:
What is the storage capacity of the AURSINC NanoVNA?
Answer: The AURSINC NanoVNA comes with 8GB of internal storage. This allows users to save measurement data, graphs, and configuration settings for future reference. Whether you are conducting multiple tests over time or documenting project progress, having ample storage makes it easier to keep organized records and streamline analysis. -
Question:
Can the AURSINC NanoVNA be used for both transmission and reception analysis?
Answer: Absolutely! The AURSINC NanoVNA is capable of analyzing both transmission and reception characteristics of RF devices. This dual functionality is critical for comprehensive testing in scenarios such as antenna tuning, where understanding both how signals are sent and received will impact the overall performance of the system. -
Question:
What types of connectors does the AURSINC NanoVNA support?
Answer: The AURSINC NanoVNA typically supports a range of RF connectors, which may include SMA connectors or others depending on the specific model. This flexibility allows users to connect various RF devices and components without needing additional adapters. It is ideal for engineers working with multiple systems or transitioning between different setups. -
Question:
Can I connect the AURSINC NanoVNA to a computer?
Answer: Yes, the AURSINC NanoVNA can often be connected to a computer for more detailed analysis and data management. This connection aids in exporting measurement data to software for advanced graphing, further facilitating the analysis process. Users can utilize this functionality for documenting findings and better understanding performance trends over time. -
Question:
Where can I buy the AURSINC 7inch NanoVNA SV4401A in Sierra Leone?
Answer: You can purchase the AURSINC 7inch NanoVNA SV4401A Vector Network Analyzer on Ubuy. Ubuy offers a user-friendly platform for acquiring this advanced antenna analyzer. They provide a secure shopping experience, ensuring you can easily find and order the product you need. Whether you're a hobbyist or a professional, Ubuy is a reliable option for adding this versatile tool to your toolkit. -
Question:
What kind of applications is the AURSINC NanoVNA used for?
Answer: The AURSINC NanoVNA is widely utilized in various applications, including antenna analysis, RF circuit testing, and compatibility assessments in telecommunications. This versatility makes it popular among hobbyists building personal projects and professionals in telecommunications or research fields. Its capability to measure S-parameters ensures it is essential for anyone working in RF design.
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Important information
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SLL 14121673
Order now and get it around Friday, July 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- High-performance portable VNA for 50kHz-4.4GHz frequency range.
- Measures S11 and S21 parameters with exceptional dynamic range.
- User-friendly full-touch operation with physical buttons for quick adjustments.
- Multiple display formats including amplitude-frequency and Smith Chart.
- Upgraded 6700mAh battery with 10 hours of continuous use.
- Built-in 8GB TF card for secure data storage and easy file management.





