Displayed frequency range 35-4400MHz Measurement frequency range 45-4400MHz Dynamic range 75dB in 45-3000MHz band 70 dB for 3000-4400 MHz band Maximum bandwidth 4355 MHz IF bandwidth (fixed) 200 kHz Sweep speed over 100 MHz 600 MHz/s Sweep time Less than 0.25 seconds for 100 MHz span Detectable signal duration 20 ms at 10 MHz sweep span. Noise floor: Less than -100 dBm in band up to 3000 MHz Less than -95 dBm in 3000-4500MHz band Less than -90 dBm in the 4500-6200 MHz band Input impedance 50 ohms SWR Less than 1.5 in the operating frequency range Internal attenuator 0-30dB Attenuation error: Up to 10 dB 2 dB From 10 to 20 dB 5 dB From 20 to 30 dB 8 dB Built-in tracking generator frequency range 35-6200 MHz Tracking generator output power -15-25 dBm Accuracy of signal display within dynamic range 2 dB Maximum input power at 0 dB attenuator and10 dBm Attenuator 20 dB and20 dBm Measured maximum input signal and10 dBm Maximum RF input 5V Maximum supply current 450mA when running on battery When running on USB (Charging mode) 500mA Battery capacity:3000 mAh Accumulator continuous operating time 3 hours Battery charging time about 4 hours Dimensions:155x81x27 mm Weight:0.49 kg Colour:Black Material:ABS Package Contents: 1 x Portable spectrum analyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.