Shenzhen Nuobashi Trading Co.,Ltd

Highlights
The flexible, high-performance, compact VNA provides a frequency range of 9 kHz to 6.5 GHz.
An optional second source is available on four-port models (Option 402).
Choose from a wide range of measurement applications to gain deeper insight into your RF test.
It features the same intuitive GUI as Keysight’s high-performance PNAs.
Calibrate quickly with support for all Keysight electronic calibration (ECal) modules.
What's included:

Quick-start guide
USB 3.0 cable assembly
Power supply, external AC-DC adapter
Power cord
Calibration certificate