Features: OOTDTY Measuring S Parameters, Standing Ratio, Phase, Delay, Smith- Chart. The is designed to reduce the external and improve the measurement accuracy. Small and portable, easy to use, this project aims- to provide an RF- gadget- but useful instrument for enthusiast-. The PC control- software can export Touchstone- (snp-) files-, which can be used for various radio design and simulation software. Latest HW3.6 antenna analyzer with card slot design, for recording data up to 32GB, great for data storage and sharing-. Specifications: Material: Plastic Measurement Frequency: 50KHz-1.5GHz RF- Output: -13dbm(Maximun -9dbm) Frequency Accuracy: Less Than 2ppm Frequency Stability: Less Than 0.5ppm Measuring Port SWR: Less Than 1.1- Display: 2.8" TFT- (320x240) USB Communication Power Supply: USB 5V 120mA, built-in 400mAh battery, maximum charging current 1A-, can be used continuously for more than 4hours Number of Calibration Points: 101 (Fixed) Number of Scan Points: 101 (Fixed) Display PCB- Size: Approx. 54x85.5x11mm/2.13x3.37x0.43in (No Connector & On off) Package Includes: 1x Host(including 2.8-inch Touch-Screen, 400mAh Battery) 2x 20cm SMA- male-to-male RG174 RF- Cable 1x SMA- Female to Female Connector 1x SMA- Simple Calibration Sets SHORT 1x SMA- Simple Calibration Piece Set OPEN 1x SMA- Simple Calibration Package LOAD 1x Type-C Data Cable 1x Touch-Pen 1x Pick 1x Connecting Cable from Type-C to Type-C Note: NanoVNA-H PCB- upgrade- New features after the update: Lower power supply- noise, less noise when using harmonics; Built-in 400mAh battery Add a card for storing test data; Add support. Change the port names- to Port1- and Port2 supports up to 32GB and only supports SPI- _x000D_