Model:HSA818 Frequency Range:9kHz~1.8GHz Frequency Resolution:1Hz~3MHz Noise Level:<-160dBm Specialized transient detection, quickly capturing transient signals Spectrogram, Channel Measurement, Frequency Counting, Audio Demodulation, Pass-Fail TestSpectrogram, Channel Measurement, Frequency Counting, Audio Demodulation, Pass-Fail TestDimensions:290mmx186mmx66mm, Weight:<2.8kg Long endurance up to 4 hours LAN and USB interfaces for remote control and measurement data transfer.