 - HP(Agilent) 83640B- Manufacturer: Agilent - Keysight
- Model: 83640B
 - Sweep Generator 100KHz~40GHz, Res:1Hz,0.02dB,2.4mm Conn. Seoul, South Korea
 - Agilent 83640B- Manufacturer: Agilent - Keysight
- Model: 83640B
 - opt 001 (Step Attenuator) / 002 (Internal Modulation Generator) / 008 (1 Hz Frequency Resolution) $16,280 USDSeoul, South Korea

