1. Lower power supply noise, less noise when using harmonics;<br> 2. Built-in 400mAh battery<br> 3. Add a -SD card to save the test data;<br> 4. Add support;<br> 5. the port names to Port1 and Port2<br> Measurement Frequency: 10KHz -1.5GHz<br> RF Output: -13dbm (maximum -9dbm)<br> Frequency Accuracy: Less than 0.5ppm<br> Measurement Range: 70dB (50kHz-300MHz), 50dB (300M-600MHz), 40dB (600M-900MHz) enable extended firmware)<br> Port SWR: Less than 1.1<br> Display: 2.8 inch TFT (320 x240)<br> USB Interface: USB Type-C; Communications Mode: CDC (Serial)<br> Power Supply: USB 5V 120mA, built-in 650mAh electricity, maximum charging current 0.8A<br> Number of Calibration Points: 101 (Fixed)<br> Number of Scanning Points: 101 (Fixed)<br> Display Tracking: 4, Marking: 4, Save Setting : 5<br> Measuring S parameters, voltage standing wave ratio, phase, delay, chart and the like<br> Colour:black<br> Material:Metal + Plastic<br> Package Contents:<br> 1 x NanoVNA (including 2.8-inch touch screen, 400mAh battery)<br> 2 x 20cm SMA male to male RG174 RF cable<br> 1 x SMA female to female connector<br> 1 x SMA Simple Calibration Kit SHORT<br> 1 x SMA Simple Calibration Kit OPEN<br> 1 x SMA Simple Calibration Kit LOAD<br> 1 x USB Type-C data cable<br> 1 x Touch pen<br> 1 x Picks<br> Only the above package content, other products are not included.<br> 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin