portable handheld vector network analyzer (VNA) designed to measure reflection and transmission coefficients. Originally designed by edv555. After several upgrades, is the highest performance version at present, with the measurement frequency range upgraded to 50KHz-2.7GHz, and the performance is better than the previous 1.5GHZ old version product parameters: Bandwidth: 50KHz-2.7GHz Dynamic range: 80dB (50KHz-900MHz) 60dB (900MHz-1.5GHz) 50dB (1.5GHz-2.7GHz) Reflection coefficient: SWR: Less than 1.1 Frequency accuracy: Less than 0.5 ppm Frequency stability: Less than 2.5 ppm Scan points: 101 Built-in 1000mAh battery Add RTC support; Change port names to Port1 and Port2 Measure S parameters, VSWR, phase, delay, Smith chart, etc (The product printed words may vary depending on the batch, but this does not affect use) Color: Black Material: plastic Package Contents: 1 x NanoVNA host (with 2.8-inch touch screen, 1000mAh battery) 2 x 20cm SMA male to male RG174 RF cable 1 x Type-C to Type-C cable 1 x USB Type-C data cable 1 x Touch pen 1 x Pick 1 x SMA simple calibration kit LOAD 1 x SMA simple calibration kit OPEN 1 x SMA simple calibration kit SHORT 1 x SMA female to female connector