* GSP-810 (150kHz~1000MHz)- Frequency Range : 150kHz~1000MAz- High Frequency Stability : 10ppm- High Resolution of Span to Measure the More Detailed Signal : Zero, 2kHz~100MHz/DIV.- RBW : 3k, 30k, 220k, 4MHz- Two Markers for Absolute and Relative Measurement- RS232 Interface and Foftware to get Trace from GSP-810 to PC- Options : Power Meter, Tracking Generator, Romote Control Software