Features Four Interfaces: The analyzer has four interfaces, single point measurement, scanning, system information, calibration and calibration, the single point measurement interface is default when powered on. High Accuracy: The instrument can measure impedance, reactance, SWR and S11, has high measuring accuracy and large test range, adopts 2.4in TFT screen, displays the data institute and clearly. Excellent Aluminum Alloy Housing: The analyzer adopts excellent aluminum alloy housing, which has good strength, not easy to damage, stable and durable. Small and Portable: The analyzer is small in size and light in weight, convenient to carry, has exquisite appearance, stylish and powerful. Long Battery Life: The analyzer is built in large capacity battery, and comes with USB power cable, easy for charging, ensuring long term usage. Specification: Item Type: RF Antenna Analyzer Material: ABS, Aluminum Alloy Model: PS100 Operating Frequency: 137.5MHz-2700MHz Stepped Frequency: 1kHz Display: 2.4 inch TFT, resolution 320x240(QVGA) Battery: 2000mAh (7.4Wh) 18650 Li ion battery (built in) Power Consumption: <1.5W Charging Current: 400mA Charging Port: USB Automatic Power Off: 5-60 minutes can be set Measurement Parameters: Impedance, Reactance, SWR and S11 Resolution: 4 digit reading Frequency Accuracy: <±3ppm Connector: SMA K Measuring Range: Impedance: 0.1-1000Ω (absolute value of impedance) Standing: 1.000-65 S11(dB) Measurement Range: 0dB to -60dB Error (Single Point Measurement): For Impedance: < absolute value of impedance x 5%±0.1Ω (Z<200Ω, <1.5GHz) For Standing Wave: < effective reading x 10%±0.1 For S11: 0.1dB/5° (0dB to -10dB) For (dB/°): 1dB/10° (-10dB to -20dB); 5dB/20° (-20dB to -40dB) Directivity: < 35dB (140MHz to 2GHz after calibration); < 30dB (2GHz to 2.7GHz) Scan Points: 280 Output Level: -18dBm Package List: 1 x RF Antenna Analyzer 1 x USB Power Cable 1 x Manual Note: Each calibration option will automatically change for user. During calibration, the automatic Schiff function is disabled and remains unchanged when power on. Package List 1 x RF Antenna Analyzer 1 x USB Power Cable 1 x Manual