Please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin Made of fine quality material, practical, easy to operate and use, has a long service life. Features: Made of fine quality material, practical, has a long service life. Portable and compact, easy to use and carry. Measurement frequency range is 50KHz~3GHz. High stability, high sensitivity, high accuracy, greatly improved performance. Metal housing, 3.2-inch large screen is more accurate for touching, easy to operate, no need to connect power, get rid of the shackles of data cable, and can be used alone. This product can reach 3G, can measure 2.4G antennas, can also measure duplexer, filter. Specifications: Material: PCB+metal Main color: black+gold Measurement frequency range: 50KHz-3GHz System dynamic range (after calibration): 70dB (50k 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): 10-201 points, adjustable Sweep points (USB): 1-1024 points, adjustable Power supply: USB, 4.6V5.5V Radio Frequency port: SMA USB interface: Micro USB Display screen: 3.2-inch TFT Battery: 1 * lithium battery, 1950mAh (included) Port 2