3.2 inch color resistive touch screen.Wide frequency range: 35 to 6200 MHz. Quick scan of frequency range: 500 points per point. High measurement accuracy: 70-75dB dynamic range within 2dB, Compatibility with Windows-based computers, the device can be used with the help of a PC. Particularly convenient for field use: Independent power supply for continuous operation up to 4 hours, wired data fer to PC. Display frequency range: 35 - 6200 MHz;Measurement frequency range: 35 - 6200 MHz;Dynamic range in the band 35-3000 MHz: 75 dB;Dynamic range in the band 3000-4500 MHz: 70 dB;Maximum span: 6165 MHz;Bandwidth: 200 kHz, fixed;Sweep speed to view bands above 100 MHz: 700 MHz/sec Sweep 100 MHz: Less than 0.25 sec Noise floor up to 3000 MHz: Less than -90 dBm Noise floor 5000-4500 MHz: Less than -85 dBm Noise floor 4500-6200 MHz: Less than -80 dBm Wave impedance: 50 ohms VSWR in the operating frequency range: Less than 1,5 Internal attenuator: 0-30 dB Error at up to 10 dB attenuation: 2 dB 10 to 20 dB Attenuation error: 5 dB 20 to 30 dB attenuation error: 8 dB generator output power: -15...-25 dBm Accuracy in dynamic range: 2,0 dB Maximum input power at 0 dB attenuator: 10 dBm Maximum input power at attenuation greater than 20 dB: +20dBm Maximum input measurement signal: +10 dBm Maximum input DC voltage: 25 V When running on battery Maximum current consumption: 450 mA Maximum current consumption when running from USB: 500 mA (when charging) Battery: 2500 mAh Battery life: 3 hours battery Charging time: about 5 hours Warm reminder: The above parameters are the data of the Network Communication R&D laboratory. In actual use, there may be slight differences due to individual differences in products, usage habits and environmental factors. Please refer to the actual use. Colour:black Material:ABS Due to different batches