Advantest R3131A Spectrum Analyzer , The R3131A offers a 9 kHz to 3 GHz frequency range, meeting the frequency needs of both PCS and cellular wireless standards.

• 9 kHz to 3 GHz, 1 kHz resolution
• Up to 133 dB dynamic range
• Built-in OBW, ACP, and Power measurement functions
• AUTO TUNE for instant measurements
• AUTO CAL for high level accuracy
• EMC measurements with built-in QP detector
• GPIB, RS232C, Centronics, and floppy drive
• Large 5.7" display
• Tracking generator (optional)