- Agilent-Keysight E4422B-1E5- Fabricante: Agilent - Keysight
- Modelo: E4422B-1E5
 - Frequency range: 250 kHz - 4.0 GHz | Frequency resolution: 0.01 Hz Lake Mary, Florida
- Agilent-Keysight E4422B-1E5-1EM- Fabricante: Agilent - Keysight
- Modelo: E4422B-1E5
 - Frequency range: 250 kHz - 4.0 GHz | Frequency resolution: 0.01 Hz Lake Mary, Florida

