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 Analyzer Measurement frequency range: 50KHz-3GHz System 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) Sweep rate: 100 points / second Sweep points (on device): maximum 201 points Sweep points (USB): maximum 1024 points Power supply: USB Maximum charging current: 1A USB interface: Micro-USB Display screen: 2.8 inch TFT (320 x 480) Battery: 1950mAh lithium battery(included) Battery connector: JST-XH 2.54mm Port 2 return loss (1.5 GHz): 20dB (typical value) Port 2 return loss (3GHz): minimum 13dB Compatible systems: Linux, Windows (7+), MacOS Colour:Photo Color Material:Metal Package Contents: 1 x S-A-A-2 host 1 x USB data cable 2 x 30cm SMA male to male SS405 RF cable 1 x SMA simple calibration kit OPEN 1 x SMA simple calibration kit SHORT 1 x SMA simple calibration kit LOAD 1 x SMA female to female connector 1 x Storage bag 1 x Touchpen Only 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.