The 8560A Portable RF Spectrum Analyzer covers the frequency range from 50Hz to 2.9GHz. Counter resolution is 10Hz to 1MHz selectable. Residual FM <10 Hz p-p in 20ms. Spectral purity is <(-100 + 20 Log n) dBc/h at 30kHz offset. Amplitude range is +30 dBm to displayed average noise level. Amplitude accuracy is 1.0 dB(dc coupled). Dynamic range is 125 dB.