Features: 1. 4.3-inch IPS LCD display, resolution 800*480, ultra-wide viewing angle, long-term use without hurting the eyes; 2. All-aluminum alloy casing, strong and durable, effectively shields electromagnetic interference, and ensures measurement accuracy; 3. The body size is 125mm*75mm*20mm, compact and portable; 4. The radio frequency interface is SMA, which is convenient for connecting various tested parts; 5. 5000mAh large-capacity lithium battery, the battery life can reach 7 hours; 6. Full touch screen design, with 3 side buttons, flexible and convenient operation; 7. Support English interface; 8. Optimized UI design, convenient for users to perform measurement operations; 9. Support screen brightness adjustment; 10. The firmware can be upgraded through a virtual U disk, without a programmer, and the firmware can be upgraded through the USB type-c data cable that comes with it; 11. Standard high-quality calibration parts and RG405 phase-stable cables ensure calibration accuracy; 12. Designed with a USB power output interface, which can support 5V/1A power output; 13. Using 2A high current charging IC, the charging time is shorter; 14. Supporting host computer software, the host computer supports Chinese and English interfaces; 15. You can capture the screen image of the device through the host computer; Frequency range: 50kHz-3GHz RF output power: -9dBm (error within 1GHz: 1dB) Frequency accuracy: < 0.5ppm S21 dynamic range: 70dB (1.5GHz), 60dB (3GHz) S11 dynamic range: 50dB (1.5GHz), 40dB (3GHz) 2-port return loss: 20dB typ (1.5GHz), 13dB min (3GHz) Number of calibration points: 101 points Number of scanning points: 101 points Number of traces: 4 Number of markers: 4 (the mark bar can move up and down on the screen) USB Interface: USB Type-C Communication Mode: CDC (Serial) Setting saving: 5 groups (after saving, it can be called directly when it is turned on next time, no need to re-calibrate, and the saved parameters before the last shutdown will be automatically recalled when it is turned on next time) Supports interpolation of calibration results, and can be measured without recalibration after adjusting the measurement frequency band Scanning time: about 1.9s/1 time (50kHz ~ 3000MHz full frequency band) Can measure S parameters, voltage standing wave ratio, Smith chart, phase, group delay, etc. Product acessories: host x1 SMA open circuit calibration kit x1 SMA short calibration kit x1 SMA 50 load calibration kit x1 SMA-KK double-head female adapter x1 SMA-JJ double-headed male needle adapter x1 SMA-JKW elbow outer screw inner hole to inner screw inner needle adapter x1 20cm SMA-JJ RG405 RF cable x2 USB type-C data cable x1 Stylus x1 Pick*1