A Multi-mode Outdoor Radio Unit Manufactured by Huawei for 4G LTE 3G UMTS and 2G GSM Networks3971/HKL

The RRU3971 is a multi-mode outdoor radio unit manufactured by H u a w e i for 4G LTE, 3G UMTS, and 2G GSM networks.The part of the product name refers to specific hardware configurations or production details for the base RRU3971 unit. 

The RRU3971 with the 02311HKL product code is designed for the 1800 MHz frequency band. 

• Technology: Supports multiple radio access technologies including 4G FDD-LTE, 3G UMTS, and 2G GSM.
• Frequency band: Operates in the 1800 MHz band (Band 3).
  • Transmit (TX) frequency: 1805 to 1880 MHz.
  • Receive (RX) frequency: 1710 to 1785 MHz.
• Radio configuration: 4T4R, meaning it has four transmitters and four receivers, supporting high-performance wireless connectivity and Multiple-Input Multiple-Output (MIMO) technology.
• Output power: Has a high-power output of 4x40W, providing efficient coverage for large deployments.
• Data interface: Connects to the baseband unit (BBU) using a Common Public Radio Interface (CPRI) with a data rate of up to 9.8 Gbps for high-speed data transmission.
• Multi-mode operation: Can be configured to operate in different modes, such as GSM, UMTS, and LTE, based on software settings.
• Physical design: Features a compact and durable design for easy installation.
  • Weight: Approximately 15 kg (33 lbs). 

• RRU3971: The base model name for the remote radio unit.
• HKL: A specific part of the product code used by Huawei to identify the model version and its frequency band.
• NCV:  This designation is likely an internal product configuration code used by the vendor for specific manufacturing or sales purposes.