Additional Features:

• Frequency range: 100 kHz to 18 GHz
• ± 0.5 dB amplitude accuracy, full band, over full temperature range of -10 to 55 °C (14 to 131 °F)
• Spur-free dynamic range ≥ 105 dB
• Tracking generator
• 30 kHz to 18 GHz
• VSWR and reflection measurements
• Power and pulse measurements
• Channel power, occupied bandwidth and adjacent channel power ratio
• Average power, peak power, and pulse characterization with USB sensors
• Built-in power meter: 5 kHz to 18 GHz
• Remote control via iPad or iPhone
• Battery life: 3.5 hours
• Operating temperature: -10 to 55 °C (14 to 131 °F)

The Agilent N9937A FieldFox Handheld Microwave Spectrum Analyzer has a frequency of 18 GHz and the ability to expand capabilities with optional tracking generator, interference analyzer and built-in power meter. 

With the N9937A you can make accurate spectrum analyzer measurements ( /- 0.5dB) without needing warm-up and can locate interfering signals using the intuitive spectrogram display and recording capability.