Features 1、7 Inch Touchscreen: The 7 inch high brightness IPS capacitive touchscreen allows you to see the screen content clearly even outdoors. With 4 physical buttons, you can quickly set the frequency range, scale, turn the trace on or off, add or remove markers, take screenshots and more. 2、Wide Frequency Range: The NanoVNA's measurement range has been upgraded to 50kHz‑4.4GHz. it can be used to measure RF devices such as filters, amplifiers, attenuators, cables, power dividers, couplers, duplexers, etc. The NanoVNA can also be used to measure the S11 and S21 parameters. It can measure S11 and S21 parameters, of which S11 dynamic range is 50dB and S21 dynamic range is 75dB. 3、6700mAh Battery: SV4401A has a built in high capacity lithium battery with up to 10 hours of battery life. The charging port is USB Type C. The included Type C cable can be used for device charging and data transfer. Built in 8GB memory card for storing calibration status, SNP, files, screen shots, etc. 4、Premium Performance: The SV4401A has a scanning speed of 400 points/second for real time measurements, with a maximum of 1001 scanning points.The TDR function can be used to measure cable length.The RF interface of the SV4401A is an N type female connector, and a pair of N to SMA adapters are included, which can be used for connecting to DUTs with SMA interfaces. 5、Wide Application: SV4401A vector network analyzer is suitable for antenna testing in MF HF VHF UHF band, such as shortwave antenna, ISM band antenna, WiFi antenna, Bluetooth antenna, GPS antenna and so on. Specification Item Type: Vector Network Analyzer Material: Metal, LCD Size: Approx. 190x130x30mm / 7.48x5.12x1.18in Model: NanoVNA SV4401A Screen Size: 7 inch IPS Touch Screen Screen Resolution: 1024x600 Storage: 8GB Memory Card (Shipping Included) Measurement Frequency Range: 50KHz-3000MHz RF Output Power: -12dBm to -42dBm Adjustable (Step 1dB) (Error in the Full Frequency Band: Plus or Minus 1dB) Frequency Accuracy: ± 1ppm <140MHz, ±5KHz >140MHz S21 Dynamic Range: 90dB (Below 2GHz), 75dB (4.4GHz) S11 Dynamic Range: 50dB 2 Port Return Loss: 30dB typ (1.5GHz), 20dB min (4.4GHz) USB Interface: USB Type C Telecommunication Mode: CDC (Serial) Number of Calibration Points: 101-1001 Points Number of Scanning Points: 101-1001 Points Display Trace: 7 Traces Marker: 8 Mark Points (Mark Marker Bar Can Be Toggled Anywhere on the Screen) Scanning Speed: Approx. 400 Points/Second Battery Type: 6700mAh Lithium Ion Battery (Built In) Package List 1 x SV4401A Main Unit 2 x N to SMA Adaptor 6 x SMA Adapter 2 x RG316 Cable 1 x Type C Cable 1 x Storage Bag