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NanoVNA-H4 50KHz~1.5GHz VNA HF VHF UHF UV 4-inch LCD Vector Network Analyzer

4.3270

₾167.31 / ₾204.13

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₾150.58 / ₾204.13

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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იყიდე ახლა კალათაში დამატება

საკრედიტო ბარათი

უსაფრთხო გადახდა

უფასო საჩუქარი

უფასო საჩუქარი ნებისმიერი შეძენისას

მიტანის პოლიტიკა

უფასო მიტანა $9.9-ზე მეტ შეკვეთებზე

დაბრუნების პოლიტიკა

დაბრუნება მიიღება 40 დღის განმავლობაში მიღების დღიდან. ინდივიდუალური ნივთები არ შეიძლება დაბრუნდეს. საჩუქრის ბარათით შეძენილი ნივთები მხოლოდ გაცვლა შეიძლება.

უფასო საჩუქარი

მოგესალმებით Roymall-ში, თქვენს პრემიუმ საჩუქრების მაღაზიაში. ჩვენ ძალიან ვაფასებთ თქვენს მხარდაჭერას და მადლობის ნიშნად გთავაზობთ უფასო საჩუქარს ყოველ შეძენაზე. მზად ხართ გაეცნოთ ჩვენს კოლექციას? დაათვალიერეთ ჩვენი არჩევანი, განათავსეთ თქვენი შეკვეთა და დაელოდეთ თქვენს უფასო საჩუქარს თქვენი შეძენისთანავე.

მიტანის პოლიტიკა

ჩვენ ვამუშავებთ შეკვეთებს 2 დღის განმავლობაში.სტანდარტული მიტანის დროა 5-7 სამუშაო დღე.მიტანის დრო შეიძლება განსხვავდებოდეს დანიშნულების მიხედვით.

1. დაბრუნების პოლიტიკა

ჩვენ ვიღებთ მხოლოდ იმ ნივთების დაბრუნებას, რომლებიც შეძენილია roymall.com-დან. უფასო საჩუქრები არ შეიძლება დაბრუნდეს. ნივთი უნდა იყოს გამოუყენებელი და ორიგინალურ შეფუთვაში.ჩვენ ვამუშავებთ დაბრუნებას 3-5 სამუშაო დღეში მიღების შემდეგ.ინდივიდუალური ნივთები არ შეიძლება დაბრუნდეს.დაგვიკავშირდით: service@roymall.com ან Whatsapp: +8619359849471

2.ანაზღაურების პოლიტიკა

თქვენ მიიღებთ სრულ ანაზღაურებას ნივთის მიღებისა და შემოწმების შემდეგ. მიტანის ხარჯები არ არის დაბრუნებადი.დაგვიკავშირდით: service@roymall.com ან Whatsapp: +8619359849471

Features:

- With DC dimming method, 4" full-view LCD screen can be seen more clearly for outdoor uses, and more comfortable for indoor uses.

- Optimized Electric Bridge: Making full use of the harmonics of Si5351, it can use the 5th harmonic to measure up to 1.5GHz.

- When fundamental wave is used, the output level of CH0 is increased to 0dBm, making reflection measurement more accurate.

- Solved the abnormality of NanoVNA-H when operating at around 6MHz before.

- Redesigned power management circuit reduces power noise, USB power interference, and charging current.

- Improved PCB layout.

- Reserved UART interface for DIY expansion.

- Lightweight ABS shell keeps the device well protected.

-Computer software supports control and real-time display. And it support for exporting snp files for various radio design and simulation software.

- As a measuring device, accuracy is of great importance. Simple calibration parts are included in the package. We have calibrated the product"s dual ports before delivery. When your measurement conditions change (for example, switching from a narrower calibration bandwidth to a wider measurement bandwidth with an extension cable measurement), you need to re-calibrate. After calibration, it is saved as setting 0, which can be used directly at the next boot, or it can be saved to the other 4 saved items through recall when needed.

Parameters:

1. ABS Shell: 75mm x 133mm x 18mm (excluding protrusions)

2. Measurement Frequency: 50KHz ~ 1.5GHz

3. RF Output: 0dbm (± 2dB, fundamental wave)

4. Frequency Accuracy: <2ppm

5. Frequency Stability: <0.5ppm

6. Measurement Range: 70dB (50kHz-300 MHz), (60dB (300M-900MHz), 40dB (0.9G-1.5GHz) enable expansion firmware)

(Note: Please pay attention to the error caused by nonlinear transformatiion of the fundamental wave when using harmonic measurement.)

7. Port SWR: <1.1

8. Display: 4" TFT (320 x 480)

9. USB Interface: USB type-C; Communication Mode: CDC (serial)

10. Power Supply: USB 5V 200mA. Maxmum charging current 1A

11. Number of Calibration Points: 101 (fixed)

12. Number of Scanning Points: 101 (fixed)

13. Display Tracking: 4, Marking: 4, Save Setting: 5

14. Measurement of S-parameters, voltage standing wave ratio, phase, delay, Smith chart, time domain analysis, etc.

Package lIncluded:

1 x NanoVNA-H4

2 x 15cm SMA Male to Male RG316 RF Cables

1 x SMA Female to Female Connector

1 x SMA Simple Calibration Kit SHORT

1 x SMA Simple Calibration Kit OPEN

1 x SMA Simple Calibration Kit LOAD

1 x USB Type-C Data Cable

1 x Type-C to Type-C (For Android mobile phone connection)

Details Pictures:

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NanoVNA-H4 50KHz~1.5GHz VNA HF VHF UHF UV 4-inch LCD Vector Network Analyzer

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Reviews only from your country (United States)

Show Original

A part of the review has been auto-translated.

pappu_lqf VIP2
IT

04/05/2020

Really valuable instrument, with lot of options for the price. A single BIG defect, luckily quickly solved googling around: the touch screen responds randomly, sometimes by its own, sometimes not reacting to taps. I discovered that the plastic box is slightly thick and "pushed" the touch screen on the side. Putting four plastic washers between the two halves of the enclosure at the screws and screwing back all, solved the problem.

Really valuable instrument, with lot of options for the price. A single BIG defect, luckily quickly solved googling around: the touch screen responds randomly, sometimes by its own, sometimes not reacting to taps. I discovered that the plastic box is slightly thick and "pushed" the touch screen on the side. Putting four plastic washers between the two halves of the enclosure at the screws and screwing back all, solved the problem.

Really valuable instrument, with lot of options for the price. A single BIG defect, luckily quickly solved googling around: the touch screen responds randomly, sometimes by its own, sometimes not reacting to taps. I discovered that the plastic box is slightly thick and "pushed" the touch screen on the side. Putting four plastic washers between the two halves of the enclosure at the screws and screwing back all, solved the problem.

16

Comments (0)

Show Original
erberes VIP5
HU
12/06/2020

Shipping is super fast as usual. Packaging is OK, but plastic could not protect the paper box (which is nice, but not very practical).

As I have an older NanoVNA-F I can compare H4 with it.
H4:
Electrically it's better without hesitation. It has no trouble to keep everything below -60dB till 900MHz, and -50dB till almost 1.5GHz. This is really impressive.
It's lighter due to plastic case (I regard this as a positive thing).
LCD size is a bit smaller than F, but as there is no scale it looks almost the same.
LCD visibility (especially from SMA side) is slightly worse than F.
Touch reliability is slightly worse than F.

Pushable rotating knob is still nothing to write home about but it seems to work.

So far I could not locate a new SW version (I mean binary as I'm not keen compiling it myself). In addition the menu cheat sheet contains a DFU menu that is not found on the actual menu of the SW... So it's unclear to me how firmware update supposed to be done if it's necessary.

In overall it's light and electrically so far the best package (it's a very good value). I look forward seeing the V2 variant with a similar size display.

Shipping is super fast as usual. Packaging is OK, but plastic could not protect the paper box (which is nice, but not very practical).

As I have an older NanoVNA-F I can compare H4 with it.
H4:
Electrically it's better without hesitation. It has no trouble to keep everything below -60dB till 900MHz, and -50dB till almost 1.5GHz. This is really impressive.
It's lighter due to plastic case (I regard this as a positive thing).
LCD size is a bit smaller than F, but as there is no scale it looks almost the same.
LCD visibility (especially from SMA side) is slightly worse than F.
Touch reliability is slightly worse than F.

Pushable rotating knob is still nothing to write home about but it seems to work.

So far I could not locate a new SW version (I mean binary as I'm not keen compiling it myself). In addition the menu cheat sheet contains a DFU menu that is not found on the actual menu of the SW... So it's unclear to me how firmware update supposed to be done if it's necessary.

In overall it's light and electrically so far the best package (it's a very good value). I look forward seeing the V2 variant with a similar size display.

Shipping is super fast as usual. Packaging is OK, but plastic could not protect the paper box (which is nice, but not very practical).

As I have an older NanoVNA-F I can compare H4 with it.
H4:
Electrically it's better without hesitation. It has no trouble to keep everything below -60dB till 900MHz, and -50dB till almost 1.5GHz. This is really impressive.
It's lighter due to plastic case (I regard this as a positive thing).
LCD size is a bit smaller than F, but as there is no scale it looks almost the same.
LCD visibility (especially from SMA side) is slightly worse than F.
Touch reliability is slightly worse than F.

Pushable rotating knob is still nothing to write home about but it seems to work.

So far I could not locate a new SW version (I mean binary as I'm not keen compiling it myself). In addition the menu cheat sheet contains a DFU menu that is not found on the actual menu of the SW... So it's unclear to me how firmware update supposed to be done if it's necessary.

In overall it's light and electrically so far the best package (it's a very good value). I look forward seeing the V2 variant with a similar size display.
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8

Comments (2)

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Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.

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A part of the QA has been auto-translated.

0

Q:
Is it possible to download the data to a PC?

Is it possible to download the data to a PC?
Is it possible to download the data to a PC?

A:

With tne correct driver, it is possible to command VNA directly from PC

With tne correct driver, it is possible to command VNA directly from PC

Answered by pappu_lqf on 04/06/2020Helpful (0)
0

Q:
is it shilded one

is it shilded one
is it shilded one

A:

oui

Yes

Answered by Nathanbchhh on 01/11/2021Helpful (0)
0

Q:
Is that an original version or some counterfeit?

Is that an original version or some counterfeit?
Is that an original version or some counterfeit?

A:

OK.

OK.

Answered by BG323874911 on 22/12/2024Helpful (0)
0

Q:
Where do I find a WORKING USB driver?, all the ones I have tried fail to connect to device, I am beginning to think that the units USB is is faulty.

Where do I find a WORKING USB driver?, all the ones I have tried fail to connect to device, I am beginning to think that the units USB is is faulty.
Where do I find a WORKING USB driver?, all the ones I have tried fail to connect to device, I am beginning to think that the units USB is is faulty.

A:

Hello friends, you can consult customer service to provide the download link for the latest driver

Hello friends, you can consult customer service to provide the download link for the latest driver

Answered by The seller on 06/10/2021Helpful (0)
0

Q:
What hardware version are you selling ?

What hardware version are you selling ?
What hardware version are you selling ?

A:

Ένα αρκετά χρήσιμο εργαλείο για την ρύθμιση κεραιών και όχι μόνο αυτό.

A quite useful tool for adjusting antennas and not only that.

Answered by BG371432482 on 21/04/2024Helpful (0)
0

Q:
is it possible to obtain a bode plot or transfer function (gain-phase) of an amplifier?

is it possible to obtain a bode plot or transfer function (gain-phase) of an amplifier?
is it possible to obtain a bode plot or transfer function (gain-phase) of an amplifier?

A:

yes

yes

Answered by jrs on 12/09/2020Helpful (0)
0

Q:
Is battery included?

Is battery included?
Is battery included?

A:

Yes

Yes

Answered by pappu_lqf on 14/05/2020Helpful (0)
0

Q:
Is this production from Hugen CN.? and if so what version is it, 4.2 or 4.3?

Is this production from Hugen CN.? and if so what version is it, 4.2 or 4.3?
Is this production from Hugen CN.? and if so what version is it, 4.2 or 4.3?

A:

Hugen CN. is the same software as our product. Our version is 4.3

Hugen CN. is the same software as our product. Our version is 4.3

Answered by The seller on 25/08/2023Helpful (0)
0

Q:
can you deliver to India?

can you deliver to India?
can you deliver to India?

A:

Yes

Yes

Answered by eclipse_vr on 06/06/2022Helpful (0)
0

Q:
Does it have a resistor bridge for port 0 'reflection'?

Does it have a resistor bridge for port 0 'reflection'?
Does it have a resistor bridge for port 0 'reflection'?

A:

Hello friends, if you have product problems, you can consult online customer service

Hello friends, if you have product problems, you can consult online customer service

Answered by wuchuangbin on 02/07/2020Helpful (0)
0

Q:
Can I use this to tune my duplexers?

Can I use this to tune my duplexers?
Can I use this to tune my duplexers?

A:

yes

yes

Answered by wuchuangbin on 26/05/2020Helpful (0)
0

Q:
Στην οθόνη υπάρχει προστατευτικό περίβλημα που πρέπει να αφαιρεθεί;

Στην οθόνη υπάρχει προστατευτικό περίβλημα που πρέπει να αφαιρεθεί;
Στην οθόνη υπάρχει προστατευτικό περίβλημα που πρέπει να αφαιρεθεί;

A:

No answer yet.
0

Q:
if device not available how to do this refunded

si appareil non disponible comment ce faire rembourssé
if device not available how to do this refunded

A:

No answer yet.
0

Q:
Does it have RF shield on the back plate?

Does it have RF shield on the back plate?
Does it have RF shield on the back plate?

A:

Hello friends, if you have product problems, you can consult online customer service

Hello friends, if you have product problems, you can consult online customer service

Answered by wuchuangbin on 02/07/2020Helpful (0)
0

Q:
Where can I find an updated english manual for H4 version ? Thanks by I2LQF Fabio

Where can I find an updated english manual for H4 version ? Thanks by I2LQF Fabio
Where can I find an updated english manual for H4 version ? Thanks by I2LQF Fabio

A:

You can consult customer service

You can consult customer service

Answered by wuchuangbin on 02/04/2020Helpful (0)