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 -based computers, the device can be used with the help of a PC. Particularly convenient for field use: 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 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 Communication laboratory. In actual use, there may be slight differences due to individual differences in products, usage habits and environmen factors. Please refer to the actual use. Colour:black Material:ABS Due to different batches,