1. With the addition of the ABS casing and the new packaging, Compared to many customers using 3D printed housing, it saves costs.2. Support typec-typec line, more convenient to connect to mobile phones ,Support to most phones with the same screen display(Doesn't support for ). Solve the problem of small screen, insufficient brightness and so on.3.Support time domain analysis function (TDR)4.The battery usage can be displayed on the interface.5.The product serial number is attached to the back6.Changed the outer packaging, the world cover hot stamping carton, plastic inner protection. Reduce problems caused by transportation shocks and other processes.7.Other details have been improved.PCB: 54mm x 85.5mm x 11mm (without the size of connectors, switches)Measurement Frequency: 10KHz -1.5GHzRF Output: -13dbm (maximum -9dbm)Frequency Accuracy: Less than 0.5ppmMeasurement Range: 70dB (50kHz-300MHz), 50dB (300M-600MHz), 40dB (600M-900MHz) enable extended firmware)Port SWR: Less than 1.1Display: 2.8 inch TFT (320 x240)USB Interface: USB Type-C; Communications Mode: CDC (Serial) Supply: USB 5V 120mA, built-in 650mAh electricity, maximum charging current 0.8ANumber of Calibration Points: 101 (Fixed)Number of Scanning Points: 101 (Fixed)Display Tracking: 4, Marking: 4, Save Setting : 5Measuring S parameters, voltage standing wave ratio, phase, delay, chart and the likeColour:blackMaterial:Metal+ABSPackage Contents:1X NanoVNA Host (2.8-inch touch screen and 650mAh battery is included)2X 20cm SMA Male to Male RG174 RF Cable1X SMA Female to Female Connector1X SMA Simple Calibration Kit SHORT1X SMA Simple Calibration kit OPEN1X SMA Simple Calibration kit LOAD1X USB Type-C Data Cable1X Type-c to Type-c Line1X Touch PaddleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.