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 +10 dBm Attenuator 20 dB +20 dBm Measured maximum input signal +10 dBm Maximum RF input DC voltage 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 * 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.