Made of high-quality material, strong practicability and long service life.Portable and compact, easy to operate and carry.2.8 inch TFT LCD touchscreen is more accurate.Measurement frequency range is 50KHz~3GHz.High stability, high sensitivity, high precision, greatly improved performance.Product name: Vector AnalyzerMeasurement frequency range: 50KHz-3GHzSystem dynamic range (after calibration): 70dB (up to 1.5GHz); 60dB (up to 3GHz)S11 noise floor (after calibration): -50dB (up to 1.5GHz); -40dB (up to 3GHz)rate: 100 points / secondpoints (on device): maximum 201 pointspoints (USB): maximum 1024 pointsPower supply: USBMaximum charging current: 1AUSB interface: Micro-USBDisplay screen: 2.8 inch TFT (320 x 480)Battery: 1950mAh lithium battery(included)Battery connector: JST-XH 2.54mmPort 2 return loss (1.5 GHz): 20dB (typical value)Port 2 return loss (3GHz): minimum 13dBCompatible systems: Linux, Windows (7+), MacOSMaterial: Aluminum alloycolour: BlackPackage Contents: 1 x S-A-A-2 Vector Network Analyzer (built-in 2000mAh battery)1 x USB data cable2 x 30cm SMA male to male SS405 RF cable1 x SMA simple calibration kit OPEN1 x SMA simple calibration kit SHORT1 x SMA simple calibration kit LOAD1 x SMA female to female connector1 x EVA carrying bag1 x Touch pen1 x PickOnly the above package content, other products are not included.Note: Light reflection 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.