The key attributes of the ZTE C620 PRSF, C620 SPUF, C650 SPUC, and PRVR are model specification parameters that provide essential information about these devices. Let's break down each model and its respective attributes:

1. ZTE C620 PRSF:

  Model: C620

  Type: PRSF (Power Remote Switching Function)

  Key Attributes: This model is designed for power remote switching, allowing for efficient management of power distribution and control in telecommunications networks.

2. ZTE C620 SPUF:

  Model: C620

  Type: SPUF (Single Power Unit Function)

  Key Attributes: The C620 SPUF is a single power unit model, which means it provides power to a specific device or system. It is compact and designed for easy integration into various network setups.

3. ZTE C650 SPUC:

  Model: C650

  Type: SPUC (Single Power Unit Control)

  Key Attributes: The C650 SPUC is another single power unit model, but with a focus on control and management. It offers advanced features for monitoring and controlling power usage, ensuring optimal performance and efficiency.

4. ZTE PRVR:

  Model: PRVR (Power Remote Voltage Regulator)

  Key Attributes: The PRVR is designed to regulate voltage in telecommunications networks, ensuring stable and consistent power supply. It is crucial for maintaining the reliability and performance of network equipment.

In summary, these ZTE models are power related devices designed for various applications in telecommunications networks. The C620 PRSF and C620 SPUF are single models with different functions, while the C650 SPUC is an advanced single power unit with control capabilities. The PRVR is a voltage regulator, ensuring stable power supply for network equipment. Each model has its unique attributes and functions, making them suitable for different power management and control requirements in telecommunications infrastructure.