Welcome to our store. Our products have affordable prices and good quality. We support and . If you want to work with us for a long time, please contact us and we will give you a very favorable price.Best Regards! 1. It can measure S parameters, voltage standing wave ratio SWR Smith chart, phase diagram, group delay,etc. 4.3 inch IPS LCD screen, IPS TFT (800x480) viewing angle is close to 180degree, long-term use will not hurt your eyes. The high quality case is used to effectively shield electromagnetic interference, making S21 a dynamic range better than 80dB within 1GHz 2. Compact design, body size 125mm x 75mm x 20mm, compact and portable. The radio frequency interface is SMA, which is convenient for connecting all kinds of DUTs. Using 5000mAh super-capacity lithium battery, the battery life can reach 7 hours 3. Full touch screen design, support 3 side buttons at the same time, flexible and convenient operation. Support Chinese and English menu switching. Support screen brightness adjustment 4. Upgrade firmware through virtual U disk, no programmer is needed, only one USB cable is needed to upgrade firmware. Expand a USB power output interface, 5V/1A output (can be used as a power bank) 5. Using high current 2A charging IC, the charging time is shorter. Support the host computer, you can use the computer as the display operation interface 1. Measuring frequency range: 50KHz-3000MHz 2. RF output power: -9dbm (error within 1GHz: plus or minus 1db) 3. Frequency accuracy: Less than 0.5ppm 4. S21 dynamic range: 70dB (1.5GHz), 60dB (3GHz) 5. S11 dynamic range: 50dB (1.5GHz), 40dB (3GHz) 6.2 Port return loss: 20dB typ (1.5GHz), 13dB min (3GHz) 7. USB interface: USB Type-C communication mode: CDC (serial) 8. Number of calibration points: 101 points 9. Number of scanning points: 101 points 10. Display tracking: 4 tracks 11. Mark: 4 mark points (mark mark bar can be moved up and down on the screen) 12. Setting save: 5 (after saving, it can be directly recalled when it is used next time it is turnedon, no need to recalibrate, the next time it is turned on, the saved parameters before the last shutdown are automatically recalled) 13. Scan time: about 1.9s/1 time (50kHz - 3000MHz full frequency band) color:Photo color Material:Aluminum alloy Package Contents: 1 x Host 1 x SMA open calibration kit 1 x SMA short-circuit calibration kit 1 x SMA 50ohm load calibration kit 1 x SMA-KK double head female hole adapter 1 x SMA-JJ double-head male pin adapter 1 x SMA-JKW elbow outer screw inner hole to inner screw inner needle adapter 2 x 20cm SMA-JJ RG405 RF cable 1 x USB type-C data cable Only the above package content, other products are not included. Note: Light shooting 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. Dear friends,thank you for choosing our products If you cancel the order or other reason, all the refund will be back to your account within 7 -10 days through . About Shipping If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! If you're from Russia, Please leave your full name and right phone number. It is very important!!! Dropship and Distribution For , we will offer discount if you contact us before you payment. For , we could send the goods to your customers directly and won't leave any information about us. About feedback Any feedback from you will be much appreciated. We maintain high standards of excellence and strive for 100% customer satisfaction!If you are satisfied with our products, If you are satisfied with our products, sincerely hope that you can give us 5 stars. _x000D_