GWInstek / Spectrum Analyzer / GSP-930/TG 
? Frequency Range: 9kHz ~ 3GHz High Frequency Stability: 25ppb (0.025ppm) RBW: 10Hz ~ 10kHz in 1-3 steps, 10kHz ~ 1MHz in 10% adjustable steps Phase Noise: -88dBc/Hz @1GHz, 10kHz Offset Built-in Measurement Functions: Channel Power, N-dB bandwidth, OCBW, ACPR, SEM, TOI, CNR, CTB, CSO Built-in Spectrogram and Topographic Display Modes Gate Sweep Function 1Hz Resolution Marker Counter AM/FM Demodulation Analysis 886MHz IF Output for User’s Extended Applications Various Interface: USB Host/Device, RS-232, LXI, Micro SD, GPIB (Optional) 8.4″ large TFT LCD display with SVGA resolution of 800 *600 DVI-I Output for External Digital Display Built-in Preamplifier, 50dB Attenuator, and Sequence Function Optional 6GHz Power Sensor, Tracking Generator, Battery Back ?