Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.
Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.
1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side.Final sales items or free gifts are not acceptable for a return.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier. We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom
color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +447549870296
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment.Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +447549870296
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Features:
- NanoVNA-F V3 is a Portable Vector Network Analyzer (VNA) with frequency range of 1MHz ~ 6GHz. It can be used for S11 and S21 measurements.
- The S21 dynamic range of NanoVNA-F V3 is 65 dB, while the S11 dynamic range is 50 dB.
- NanoVNA-F V3 is suitable for antenna testing of MF/HF/VHF/UHF/SHF bands, such as shortwave antennas, ISM band antennas, WiFi antennas, Bluetooth antennas, GPS antennas, etc. It can also be used to measure filters, amplifiers, attenuators, cables, power dividers, couplers, duplexers and other RF components.
- NanoVNA-F V3 supports a variety of display formats: Log Mag, Linear Mag, Phase, Smith R+jX, Smith R+L/C, VSWR, Polar, Group delay, Resistance, Reactance, etc.
- In addition, NanoVNA-F V3 supports TDR function which is useful for cable lengths measurement.
- NanoVNA-F V3 is designed with metal case, which is durable and can effectively shield electromagnetic interference.
- The dimension of NanoVNA-F V3 is 125mmx75mmx20mm. The RF interface of NanoVNA-F V3 is SMA connector witch can be used to connect DUTs directly.
- With the optimally designed signal processing system, the scan speed of NanoVNA-F V3 is up to 200 points/s and the maximum scanning points is up to 801. The screen of NanoVNA-F V3 is a 4.3-inch high-brightness IPS with resistive panel, which allows users to see the screen contents clearly in outdoor.
- NanoVNA-F V3 adopts a full touch screen design, with 3 physical buttons, users can quickly set frequency range, scale, turn on/off traces, add/delete markers, and so on. The operation is quite convenient and smooth.
- The NanoVNA-V3 has 4500mAh lithium-ion batteries with a battery life of up to 5 hours. The charging interface is USB Type-C, and the Type-C cable can be used to charge the device and also for data transfer.
Rapport qualité prix incroyable !
Quand on pense qu'un appareil de ce type valait des dizaines de milliers d'euro il y a 20 ans !
Pour débuter en HF à petit budget, c'est un MUST HAVE !