Signal Hound BB60A Spectrum Analyzer

Additional features include :

Wide dynamic range: -152 dBm to +10 dBm

Resolution bandwidths (RBW) of 10 Hz to 10 MHz

No external power supply needed - draws power from USB

Powerful Digital Signal Processing happens on the PC

Software and Hardware included for one low price

Compatible with Windows 7 and Windows 8 operating systems

USB 3.0 SuperSpeed communications

140 MB/sec sustained throughput to PC