4" Display NanoVNA-H4 50KHz-1.5GHz HF VHF UHF NANOVNA Vector Network Analyzer

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4" Display NanoVNA-H4 50KHz-1.5GHz HF VHF UHF NANOVNA Vector Network Analyzer
Features:
The latest Rev3.4 has the following improvements as previous versions:
1. Optimized the electric bridge to make full use of the harmonics of Si5351. Now it can measure to 1.5GHz with 5th harmonic
2. When the fundamental wave is used, the CH0 output level is increased to 0dBm, and the reflection measurement is more accurate;
3. Solve the abnormality of NanoVNA-H around 6MHz before;
4. Re-designed power management circuit, reducing power noise, reducing USB power interference, reducing charging current, and protecting the battery;
5. Reserved UART interface for easy DIY expansion
Specification
:
4 inch LCD display
Measurement frequency: 10KHz ~ 1.5GHz
RF output: 0dbm (± 2dB, fundamental wave)
Frequency accuracy: <2ppm
Frequency stability: <0.5ppm
Measurement range: 70dB (50kHz-300 MHz), (60dB (300M-900MHz),
40dB (0.9G-1.5GHz) with extended firmware enabled);
Port SWR: <1.1
USB interface: USB type-C Communication mode: CDC (serial)
Power supply: USB 5V 120mA, built-in 650mAh battery, maximum charging current 300mA
Number of calibration points: 101 (fixed)
Number of scanning points: 101 (fixed)
Display trace: 4, Mark: 4, Setting save: 5 (Chinese version 4)
Package include:
1 x 4.0 inch NANOVNA-H4
Payment
We accept PayPal only.
Shipping
1.Items are shipped from china.we will send out within 1 bussiness day after receive the payment.
2.We only ship to ebay confirmed address. So before bidding,  please kindly verify your ebay address.
3.
Shipping to USA takes 8-18 days in normal condition by E-packet with tracking number.
Shipping to most other countries takes about 12-30 days via Economy Int'l Airmail.
Less than , without free tracking number,if you request tracking number,please send ebay message to us.
Over ,with tracking number free.The shipping time depends on your location and local postal service,as well as the weather condition along the shipping,sometimes may take longer,.please send ebay message to us if you didn't get your package.
4.Express shipping: Extra  -- will be charged for the first 500 grams for most countries. Send ebay message to us if  you need this service.
Terms of sale
1.If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back.   Please send ebay message to us before you return it.
2.If item is defective in 30 days, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
3.If item is defective after 30 days, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
About us
We are honest seller and do our best to serve you.
So if you have any concerns,please don’t hesitate to send ebay message to us.