Feature:1. 2.4 INCH DISPLAY: N1201SA RF antenna analyzer with 2.4 inch TFT display with 320 x 240 (QVGA) resolution. With 4 interfaces for single point measurement, scanning, system information, calibration and alignment.2. DURABLE AND PORTABLE: SWR antenna analyzer is made of premium aluminum alloy housing for extended service life. The compact design is easy to use handheld and portable.3. POWER ON AND OFF: The antenna analyzer is easy to use and power on to the single point measurement interface by default. Press and hold the CTRL key to turn off the power and press the power on off button.4. USE RECOMMENDATION: To ensure accurate measurements and calibration, warm up the antenna analyzer tester for at least 15 minutes. Try to use premium RF cables and connectors.5. MEASUREMENT ENVIRONMENT: Before measurement and calibration, please make sure you are not in a strong wireless signal to avoid inaccurate measurement due to interference.Specification:Item Type: Antenna AnalyzerMaterial: Aluminum AlloyOperating Frequency: 34.375MHz-2700MHzFrequency Step: 1kHzDisplay: 2.4 Inch TFT Resolution 320 x 240 (QVGA)Built in Lithium Polymer Battery: 2000mAhPower Consumption <1.5WCharging Current: 400mACharging Interface: USB (Temporarily only as a charging interface, data transmission is not open)Automatic Shutdown: Can Be Set (Always On, 5 Minutes to 60 Minutes Optional)Measurement Parameters: Resistance, Reactance, Standing Wave, S11Resolution: 4 Valid ValuesFrequency Accuracy <±3ppmConnector: SMA KMeasurement Range:Impedance 0.1Ω-1000Ω (Impedance Value)Standing Wave 1-65S11 (dB) 0dB to -50dBError (Single Point Measurement)Impedance <Impedance Value x 5%±0.1Ω (Z<200Ω, <1.3GHz)Impedance <Impedance Value x 25%±1Ω (Z<200Ω, >1.3GHz)Number of Sweep Points: 280Output Level: -18dBmOperating Temperature: 5℃-40℃Atmospheric Pressure: 860hPa-1060hPa.Package List:1 xAntenna Analyzer1 x Instruction Manual 1 x Charging Cable