Feature: 1. 2.8in Touch Screen: The analyzer's 2.8in TFT LCD touch screen display allows you to see the data more clearly and analyze the data accurately. 2. Iron Shell: The analyzer's iron housing has a high hardness and long service life, and does not require frequent replacement. 3. Stable Performance: The analyzer's high stability, high sensitivity, and high accuracy feature greatly improve performance and usability. 4. Wide Measurement Range: The measurement frequency range of the analyzer is 50KHz to 3GHz, which can be applied to many fields. 5. Multiple Application: You can use the analyzer to test the standing wave impedance of the antenna, you can also debug the insertion loss of the duplexer, the filter, the isolation, the standing wave, and you can also test the attenuation, shortening factor, and phase of the cable. Specification: Item Type: Vector Network Analyzer Material: PCB, iron Battery: 1 x 18650 lithium battery 1950mAh (built in) Purpose: Network Analysis Measurement Frequency Range: 50KHz-3GHz System Dynamic Range (Calibrated): 70dB (up to 1.5GHz), 60dB (up to 3GHz) S11 Noise Floor (Calibrated): -50dB (up to 1.5GHz), -40dB (up to 3GHz) Scanning Speed: 100 points per second Display: 2.8in, 320 x 240 Maximum Scan Points (On Device): 201 Maximum Scan Point (USB): 1024 Port 2 Return Loss (1.5GHz): 20dB typical Port 2 Return Loss (3GHz): 13dB minimum. Package List: 1 x Host1 x USB Cable2 x SMA External Thread to External Thread SS405 RF Cable1 x SMA Simple Calibration Setting Open Connector1 x SMA Simple Calibration Device Short Connector1 x SMA Simple Calibration Set Load Connector1 x SMA Female to Female Fittings 1 x Storage Bag1 x Sling1 x Instruction