... 9kHz to 3.0GHz 2).AT6060D:9kHz to 6.0GHz Spectrum Analyzers AT-6030d (3 GHZ) / AT-6060D ... GHZ)PRODUCT DESCRIPTION The AT6000D series is a digital Spectrum Analyzer having a wide bandwidth and dynamic range. It ... of 1, 2, 5 steps(automatic), ZERO Span, FULL Span (9KHz to 3.0GHz)Frequency SelectionStart, Stop, Center ... Center, Marker to Reference (8 markers maximum) Spectrum Analyzers AT-6030D/6060D