Rolton E500 Fm Radio 6W Wireless Bluetooth Speaker Portable Digital FM Radio HiFi Stereo TF Music Player With LED Display Mic
54.26 39.62 $
Features
- In order to offer you great use experience, our network analyzer supports to connect with most Android cellphones, and displays the information at the same time.
- Equipped with TDR function, helps to analyze the stability, transient and steady state performance of the system.
- Display the electric quantity on the screen, convenient to charge timely.
- Designed with high quality paper carton outside and plastic holder inside to protect it from damage caused by transportation vibration or other process.
NanoVNA-H4 New Features
1. 4-inch full view LCD screen, with DC dimming added, can be seen more clearly when used outdoors, and can be used more comfortable indoors,
Specifications
NanoVNA-H | NanoVNA-H4 | |
---|---|---|
Material | ABS | |
Shell Size | 54mm x 85.5mm x 11mm | 75mm x 133mm x 18mm |
Measuring frequency | 50KHz ~1.5GHz | |
RF Output | -13dbm (max -9dbm) | 0dbm (+-2dB,Fundamental wave) |
Frequency accuracy | <2ppm | |
Frequency stability | <0.5ppm | |
Measuring range | 70dB (50kHz-300 MHz), 50dB (300M-900MHz), 40dB (900M-1.5GHz) | 70dB(50kHz-300 MHz),60dB (300M-900MHz), 40dB (0.9G-1.5GHz) |
Enable extended firmware;pay attention to the error caused by nonlinear transformation of fundamental wave when using harmonic measurement. | ||
Port SWR | <1.1 | |
Display | 2.8inches TFT(320*240) | 3.95inchs TFT (320*480) |
USB port | Type-C | |
Communication mode | CDC (serial) | |
Power | USB 5V 120mA, built-in 450mAh battery, maximum charging current 1A | USB 5V 200mA, built-in 1950mAh battery, maximum charging current 1A |
Battery | 1*lithium battery, 3.7V, 450mAh(included) | 1*lithium battery, 3.7V, 1950mAh(included) |
Number of calibration points | 101 (constant ) | |
Number of scanning points | 101 (constant ) | |
Display tracking | 4 | |
Tagged with | 4 | |
Settings save | 5 | |
Weight (about) | 250g | 380g |
Notice
* The actual color may vary slightly from the online image due to monitor color settings.
* Please allow slight measurement deviation for the data.
* If you want to know more details or have any questions, please look through the detailed page or contact the customer service.
Packing list of NanoVNA-H
-1* NanoVNA host( include 2.8 inches screen, 450mAh battery)
- 2* 20cm SMA male to male RG174 cable;
-1* female to female connector;
-1* simple calibration set (SHORT);
-1* simple calibration set (OPEN);
-1* simple calibration set(LOAD);
-1* USB Type-C cable;
-1* Type-C to Type-C connector
Packing list of NanoVNA-H4
1. Nanovna host * 1 (including 4-inch touch screen and 1950mah battery)
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
Shipping time varies by location. These are our estimates:
Location | *Estimated Shipping Time |
---|---|
United States | 10-30 Business days |
Canada, Europe | 10-30 Business days |
Australia, New Zealand | 10-30 Business days |
Central & South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Thank you for your interest doing business with us!
If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.© 2017-2023 CNTRONIC Consumer Electronics Retailer.