Huawei RRU 3971 (02311NCV) – 2100 MHz 4T4R Remote Radio Unit

Product Overview

The Huawei RRU 3971 (Model 02311NCV / WD5M21397100) is an outdoor Remote Radio Unit (RRU) designed for 2100 MHz multi-mode operation (UMTS / LTE).
It features a 4T4R architecture (4 transmit / 4 receive) and supports a maximum overall output power of 4 × 40 W (160 W total).
This RRU is part of Huawei’s distributed base station system and connects via optical/CPRI interfaces to the baseband unit (BBU).

Model & Frequency Information

• Model Number: 02311NCV

• Part Code: WD5M21397100

• Operating Band: 2100 MHz

• Uplink (Rx): 1920 – 1980 MHz

• Downlink (Tx): 2110 – 2170 MHz

• Supported Modes: UMTS / LTE (multi-mode)

• MIMO Configuration: 4T4R

• Output Power: 4 × 40 W

• Power Supply: −48 V DC

Technical Specifications

Key Features & Advantages

• Optimized for 2100 MHz multi-mode deployment

• 4T4R architecture with 4 × 40 W output for strong coverage and capacity

• Supports both UMTS and LTE, providing flexibility for network operators

• Compact outdoor design with reliable environmental protection

• Connects via CPRI / optical link to BBU, forming distributed RAN

• Energy-efficient design and thermal management

• Suitable for macro cell coverage, expansions, upgrades