SV4401A 50KHz-4.4GHz Vector Network Vector Analyzer 100Db Dynamic NanoVNA
SKU: 59497765117

SV4401A 50KHz-4.4GHz Vector Network Vector Analyzer 100Db Dynamic NanoVNA

$38.59 $42.88
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Description

SV4401A 50KHz-4.4GHz Vector Network Vector Analyzer 100Db Dynamic NanoVNASV4401A 50KHz 4. 4GHz Vector Network Vector Analyzer 100Db Dynamic NanoVNA Feature: 1: The circuit design and chip of this version comply with international certification standards, and it has FCC and CE certification. 2: 50khz 4. 4ghz handheld vector network analyzer,Compact size makes it portable; fast to work accurately. 3: 7" IPS featured LCD screen, capacitive touch to control,1001 scan points: present more measurement details and avoid missing

SV4401A 50KHz-4.4GHz Vector Network Vector Analyzer 100Db Dynamic NanoVNA

Feature:
1: The circuit design and chip of this version comply with international certification standards, and it has FCC and CE certification.
2: 50khz-4.4ghz handheld vector network analyzer,Compact size makes it portable; fast to work accurately.
3: 7" IPS featured LCD screen, capacitive touch to control,1001 scan points: present more measurement details and avoid missing key information.
4: 100db dynamic range: Well-designed front RF circuitry has an optimized noise floor to ensure accurate and reliable measurements.
5: Built-in 18650 lithium battery endurance time reach 4 hours,Powered through USB Type-C interface. 5v/2a charger is recommended.
6: Built-in 8GB memory card to store calibration status, screenshots and snp files.
7: 50K-4.4GHz Frequency Range: Frequency ranges covered include MF/LF/HF/VHF/UHF; It can measure all kinds of antennas and filters, amplifiers, attenuators, cables, duplexers, couplers, etc.
8: 4 buttons + capacitive touch to complete the whole operation. All-metal packaging can effectively shield electromagnetic interference.
9: One-handed operation mode is enabled Ergonomically designed with back support,The excitation power is adjustable from.
10: 42dbm to -12dbm. Suitable for measuring the input impedance of amplifiers,N-type interface makes the product stable and durable.
11: With TDR function, this device can be used to measure cable lengths and check cable breaks.
12: Variable IF bandwidth: 7 kinds of IF bandwidth are available, of which large bandwidth is suitable for fast scanning, and small bandwidth can significantly reduce measurement noise.
13: Large Capacity Storage: Equipped with 12 save/recall slots, which can quickly save/recall the calibration state.
14: It also supports to save the calibration status as a file. The amount of storage is limited only by the memory card capacity.
15: Support logarithmic amplitude, phase-frequency diagram, group delay, smith, polar coordinates, linear amplitude, vswr, real part/imaginary part, resistance/reactance, quality factor and other display formats
16: Quickly adjust start and stop frequencies, electrical delay, excitation energy, sweep points and average coefficients.
17: Virtual U Disk Function: Use a USB Type-C data cable to connect to your computer to access the files on the memory card (can't take screenshots in this mode). This method can also be used for firmware upgrade.

Specifics:
Condition: 100% Brand New
Frequency Range: 50KHz-4.4GHz
Output Power From RF: -42dBm to -12dBm (step 1dB)
RF Interface Form: N-type female connector (with N to SMA adapter)
RF Input Power: 0dBm Max (DC < 5v)
Frequency Accuracy: <±1ppm (<140MHz); <±5kHz (>140MHz)
S21 Dynamic Range: 75dB（<3GHZ）； 60dB (>3GHZ)
S11 Dynamic Range: 50dB (<3GHZ); 40dB (>3GHZ)
Sweep Points: 1001 (can be set to 101-1001)
Scan Speed: 400 dots/second (f>140MHz)
If Bandwidth: 12.5KHZ by default (optional 6.25k/3.12k/1k/300hz/100hz/30hz)
Smoothing: Arithmetic mean (average coefficient: 1-25times)
Number Of Traces: 7 (4 measurement traces, 2 reference traces, 1 TDR trace)
Number Of Markers: 8
Calibration State Storage Number: 12 groups (supports file storage to internal memory card)
Storage Capacity: Built-in 8GB memory card
Display: 7" high brightness IPS LCD screen (resolution: 1024x600)
Operation Mode: capacitive touch + physical button
Local Screenshot: support
Power Consumption: 5w
Battery Life: 4 hours (50% screen brightness)
Battery: Two built-in 18650 lithium batteries (3.6v/3350mah x 2)
Charging/Data Interface: USB Type-C
Charging Voltage: 4.7V~5.5V (5V/2A charging recommended)
Power Supply Output: USB 5V/1A
Working Temperature: 0℃~45℃
Dimensions: 190x130x30mm/7.5x5.1x1.2" (no RF interface size)
Main Unit Weight: 1.15kg/2.5lb

Firmware upgrade method: Connect the computer with a data cable, press and hold Ctrl and turn it on, click the Udisk of Yawang,
you will see a USB flash drive on the computer, copy the upgrade file to the USB flash drive, overwrite the original file, shut down,
press and hold Ctrl to turn on the A dialog box will pop up, click Upgrade, wait for the completion, and then shut down and then restart.

Note:
1.Please allow 1-3mm difference due to manual measurement.
2.The color might be a little different from the actual product due to color display of different monitors.

Package Included:
1 x SV4401A Machine
2 x N Male to SMA Female Adapter
1 x SMA Open/Short/Load Calibration Kit
2 x SMA Female to SMA Female Connector
1 x SMA Male to SMA Male Connector
2 x 50cm/19.7" RG316 Cables
1 x USB Type-C Data Cable
1 x Storage bag
1 x Capacitive Touch Pen
1 x Mirror Cloth

Shipping:
Free Shipping
Delivery Time: 2-6 working days

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59497765117

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4.5 ★★★★★
Based on 354 reviews
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ChaCha
Houston, US
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well. The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have. I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth. Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
R
Verified Purchase
Rayven Z
Pawtucket, US
★★★★★ 5
Great quality and perfect for home workouts!
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I’m really happy with this dumbbell set. The weights are clearly labeled (3 lb, 5 lb, and 8 lb), which makes it super convenient to switch between exercises. The neoprene coating feels comfortable in hand and provides a good grip, even during longer workouts. The storage stand is a big plus—it keeps everything organized and saves space, which is perfect for a small home gym. The colors are also nice and make it easy to quickly grab the weight you need. Overall, this is a great set for beginners or anyone looking to add light strength training to their routine. Highly recommend!
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Reviewed in the United States on April 13, 2026
D
Verified Purchase
DCat
Lexington, US
★★★★★ 5
I’m A PT AND USING THEM IN MY CLINIC. PLS READ HONEST AND THOROUGH REVIEW.
Style: 15 Pound, Pair
I have been a PHYSICAL THERAPIST FOR 30 YEARS and I BOUGHT THESE FOR MY CLINIC. THESE WEIGHTS ARE COVERED IN A GRIPPING MATERIAL, NEOPRENE, MAKING IT COMFORTABLE and EASIER TO USE, ALLOWS YOU TO NOT LOSE YOUR GRIP, and IT IMPROVES THE SAFETY OF THE USER. I WILL BE BUYING THE 12&20 lb sets! THE VALUE FOR YOUR MONEY IS WONDERFUL!! AMAZON BASICS REALLY CAME THROUGH. It DID NOT INCLUDE AN INSTRUCTION GUIDE TO USE WEIGHTS SAFELY AND EFFECTIVELY. STELLAR FORM IS ALWAYS ESSENTIAL. MY WEIGHTS WENT UP TO 10 POUNDS, SO I DEFINITELY NEEDED ADDITIONAL WEIGHTS for those who can SAFELY TRANSITION . I MAINLY WORK AS A MANUAL THERAPIST …USING ONLY MY HANDS, AND MY BRAIN. TO DIAGNOSE AND TREAT ACCORDINGLY. (**ANYONE WHO HAS BEEN TO PT KNOWS THIS KIND OF ONE ON ONE TREATMENT IS UNHEARD OF**) I IMPLEMENTED MYOFASCIAL RELEASE, TRIGGER POINT THERAPY, DEEP TISSUE MASSAGE, AND APPROPRIATE STRETCHING AND EXERCISE . ONCE PATIENTS WERE ABLE, I INITIATED THERAPEUTIC EXERCISE. I WAS GETTING SO MANY REFERRALS THAT I MOVED FROM MY SMALL SPACE AND GOT A LARGER SPACE THAT LOOKS LIKE A TYPICAL PT CLINIC. I STILL EMPLOY ONE ON ONE TREATMENT, NO JUGGLING SEVERAL PATIENTS IN AN HOUR. I HAVE HIRED HELP TO ASSIST PATIENTS WITH EXERCISE AND STRETCHING. I PURCHASED TWO ADDITIONAL SETS ITHE SET IT I DID TO FIRST CHECK THEM OUT. I ADORE THESE AND HAVE SINCE ORDERED OTHER SETS. I LOVE TO WORKOUT AND I NEEDED TO USE THESE WEIGHTS MYSELF!! THERE ARE ALSO PATIENTS OF MINE WHO WILL PROGRESS TO THESE AS WELL. I AM SUPER IMPRESSED WITH THESE WEIGHTS AND CANNOT WAIT TO RECEIVE MY TWO OTHER SETS!! YOU WILL NOT BE DISAPPOINTED. EVEN IF YOU SWEAT, YOU ARE STILL ABLE TO HOLD ONTO THESE WEIGHTS COMFORTABLY AND SAFELY. SAFETY IS KEY, ALWAYS. I WAS EXTREMELY DELIGHTED THAT THEY ARE SOLD AS A SET BECAUSE MANY ARE SOLD SEPARATELY. THEY FIT PROPERLY ON A UNIVERSAL WEIGHT STAND, SO THEY ARE VERY EASY TO STORE. I CANT WAIT TO GET MY OTHER SETS! IT IS REALLY SAFE AND COMFORTABLE TO USE THESE WEIGHTS. THEY DID NOT GIVE OFF AN ODD ODOR, which is A HUGE PLUS because SOME OTHER BRANDS SMELL HEAVILY OF PLASTIC OR A CHEMICAL TYPE ODOR. THERE WAS NO ODOR AT ALL. THIS IS A HUGE PLUS. I AM COMFORTABLE SAYING THAT THESE WEIGHTS WILL LAST A LONG TIME BECAUSE OF HOW WELL THEY ARE MADE. YOU CANNOT BEAT THE PRICE EITHER!! THESE ARE ABSOLUTELY APPROPRIATE FOR PROFESSIONAL USE, AND, THEY ARE MEANT FOR PERSONAL USE AS WELL. SOMETIMES YOU JUST CANNOT GET TO THE GYM SO THIS IS WHERE THEY ARE KEY. HAND WEIGHTS HAVE THE ABILITY TO EXERCISE EACH MUSCLE OF THE TORSO AND ARMS. THERE ARE SOME EXCELLENT WEIGHT CHARTS OUT THERE TO SHOW YOU HOW TO DO THAT. IF YOU ARE GOING TO PHYSICAL THERAPY, THEN YOUR THERAPIST CAN INSTRUCT YOU AND KEEP YOU IN GOOD FORM. YOU COULD POSSIBLY HURT YOURSELF IF YOU WORKOUT INCORRECTLY. AS FAR AS THE LOWER EXTREMITIES, YOU CAN DO GROSS MOTOR EXERCISES BY HOLDING THESE WEIGHTS TO GET YOUR LEG MUSCLES BY DOING SQUATS, WALKING LUNGES, TOE RAISES, AND MORE. I DONT BELIEVE THAT MANY PEOPLE REALIZE JUST HOW MUCH YOU CAN DO FULL BODY EXERCISES WITH JUST TWO HAND WEIGHTS. IN CONCLUSION , THESE ARE EXCELLENT WEIGHTS THAT I WOULD RECOMMEND TO MY PATIENTS OR FRIENDS. THIS IS A HIGH QUALITY PRODUCT THAT WONT BREAK YOUR PIGGY BANK. I HIGHLY RECOMMEND VERY HIGHLY!. BUY WITHOUT RESERVATION!! A+++
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Reviewed in the United States on March 23, 2025
A
Verified Purchase
Aimee C.
Massapequa, US
★★★★★ 4
Perfect size and weight with compact size
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I purchased the Amazon Basics Neoprene Dumbbell Hand Weights specifically for Pilates, and they’ve been a great addition to my routine. The size and weight are perfect for controlled movements, helping with muscle toning without feeling too bulky or awkward. The neoprene coating gives them a comfortable, non-slip grip, which is especially important during longer sessions or when your hands get a little sweaty. They feel secure and easy to hold through a full workout. I also like the shape—they don’t roll around on the floor, which makes transitions between exercises smoother and less frustrating. They’re compact enough to store easily but still feel durable and well-made. Overall, these are a simple, affordable, and effective option for Pilates or light strength training. I’d definitely recommend them for anyone looking to add a little resistance to their workouts without overcomplicating things.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
J
Verified Purchase
J. saroukhan
San Leandro, US
★★★★★ 5
Well made , gym quality
Style: 10 Pound, Pair
Color is nice and bright . The weights grips are good they do not slip . Prices reflect quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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