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Keysight (Agilent) N4221A
- Fabricante: Agilent - Keysight
- Modelo: N4221A
Cary, Carolina del Norte 
Keysight Technologies N5232A (416)
- Fabricante: Agilent - Keysight
Dublín, Irlanda
Keysight-Agilent E8361C
- Fabricante: Agilent - Keysight
- Modelo: E8361C
Lake Mary, Florida