Package includes: NanoVNA host (2.8-inch touch screen and 450mAh battery are included) x1, USB Type-C data cable x1, 20cm SMA male to male RG174 RF cable x2, SMA simple calibration kit short x1, SMA simple calibration kit open x 1?SMA simple calibration kit load x 1?SMA female to female connector x1. Excellent Compatibility: The software of the analyzer has been upgraded and the status of battery is displayed on the screen. The upgraded software aims to support the ability makes connections with most Android phones on the same screen a reality, which is helpful to solve the problem triggered by small screen, insufficient brightness and so on. Fabulous Function: The analyzer features the Time Domain Analysis (TDR) and USB interface, and the analyzer features the USB type-C Communication mode featured by CDC (serial). And the power supply of the product should be provided by USB 5V 120mA, and the analyzer features the built-in 450mAh battery, and the maximum charging current is 1A. Powerful Connection: The analyzer is compatible with most Android phones, the image on the screen on the analyzer can be displayed on the screen of phone, thus solving the problem caused by small screen, insufficient brightness and so on. And the analyzer features the measurement range of 70dB (50kHz-300 MHz), (50dB (300M-600MHz) and 40dB (600M-900MHz). After-sales service:If you receive broken, damaged item, please contact us with pictures or video, after confirming it, we will refund in 24 hours and you can keep the item without returning.Any further problems with your items, please feel free to contact us