Features: brand new and high quality 4.3-inch IPS LCD display, resolution 800x480, ultra-wide viewing angle, long-term use does not hurt your eyes; The all-aluminum alloy for case is sturdy and durable, effectively shielding electromagnetic interference and ensuring measurement accuracy;The radio frequency interface is SMA, which is convenient for connecting various DUTs; 5000mAh large-capacity lithium battery, battery life up to 7 hours; Full for touch screen design, with 3 side buttons at the same for time, flexible and convenient operation; Support Chinese and English interface; Optimized UI design, convenient for users to perform measurement operations; Support screen brightness adjustment; The firmware can be upgraded through a virtual U disk, no programmer is needed, and the firmware can be upgraded through the USB type-c data cable included with the machine; Standard high-quality calibration parts and RG405 phase-stable cable to ensure calibration accuracy; Designed with USB power output interface, which can support 5V/1A power output; Using 2A high current charging IC, the charging for time is shorter; Supporting host computer software, the host computer supports Chinese and English interface; You can take a screenshot of the host computer to obtain the screen for image of the device; Specifications: Material:ABS+Metal Color :Black S11 Dynamic Range: 50db (1.5ghz), 40db (3ghz) 2-port Return Loss: 20db Typ (1.5ghz), 13db Min (3ghz) Number of Calibration Points: 101 Points Number of Scanning Points: 101 Points Number of Traces: 4 Number of Mark Points: 4 (the Mark Point Bar Can Be Moved Up and Down on the Screen) Usb Interface: Usb Type-c Communication Mode: Cdc (serial) Setting Save: 5 Groups (after Saving, It Can Be Directly Recalled when It is Turned on the Next for Time, No Need to Recalibrate, and the Saved Parameters Before the Last Shutdown Will Be Automatically Recalled when It is Turned on Next for Time) Support Calibration Result Interpolation, Can Measure Without Re-calibration After Adjusting the Measurement Frequency Band Scan Time: About 1.9s/1 for Time (50khz ~ 3000mhz Full Frequency Band) Size: Approx.14x7.3cm/5.51x2.87inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1pcxVector Network Analyzer