* Frequency Range: 150kHz ~1GHz * Fully Digital Phase Locked Loop Technique Design * High Frequency Stability:±10ppm *RBW : 3K, 30k, 220k, 4MHz *High Input Protection Level : +30dBm,±25VDC *Reference Level Range : -30dBm~ +20dBm *Two Markers for Absolute and Relative Measurement *Support standard RS-232C Interface to connect with PC *Options: Tracking Generator, Power Meter, Remote Control Software