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分类：Huawei base station
产品时间：2025-10-04
简要描述：
RRU 3971 (02311HKL) Huawei RRU 3971 (02311HKL) is a 4T4R 1800 MHz remote radio unit for LTE, UMTS, and GSM networks. It delivers 4 × 40 W output power, −48 V DC operation, and high outdoor reliability, ideal for base station deployment and network expansion.
The Huawei RRU 3971 (02311HKL) is a high-performance Remote Radio Unit (RRU) designed for 1800 MHz GSM/UMTS/LTE networks.
It adopts a 4T4R (4 Transmit / 4 Receive) architecture with a 4 × 40 W output power configuration, providing powerful coverage and efficient signal transmission.
Built on Huawei’s Software-Defined Radio (SDR) platform, it supports multi-mode operation and can be flexibly deployed in macro and outdoor base stations.
| Parameter | Specification |
|---|---|
| Model Number | 02311HKL |
| Series | RRU 3971 |
| Operating Band | 1800 MHz (Band 3) |
| Uplink (RX) | 1710 – 1785 MHz |
| Downlink (TX) | 1805 – 1880 MHz |
| Supported Modes | GSM / UMTS / LTE (Multi-Mode) |
| MIMO Configuration | 4T4R |
| Output Power | 4 × 40 W |
| Power Supply | −48 V DC (−36 V to −57 V range) |
| Item | Description |
|---|---|
| CPRI Interface | 2 × CPRI ports supporting 1.25 / 2.5 / 4.9 / 9.8 Gbps data rates |
| Supported Bandwidths | 5 / 10 / 15 / 20 MHz (LTE FDD) |
| Dimensions | Approx. 400 × 300 × 100 mm (module only) |
| Weight | Approx. 15 kg (excluding mounting kit) |
| Operating Temperature | −40 °C to +55 °C (no solar radiation) / −40 °C to +50 °C (with solar radiation) |
| Protection Level | IP65 – waterproof, dustproof, corrosion-resistant design |
| Cooling System | Natural air-cooled aluminum heat-sink |
| Installation | Supports pole, wall, or cabinet mounting |
| Compliance | Meets EMI/EMC and lightning protection standards |
Optimized for 1800 MHz LTE / GSM / UMTS network coverage
4T4R MIMO architecture for enhanced capacity and spectral efficiency
4 × 40 W high output power for wide-area macro coverage
Software-Defined Radio (SDR) design enables flexible multi-mode operation
Compatible with Huawei DBS3900 / DBS5900 baseband systems
Compact, lightweight structure with easy installation
Excellent outdoor reliability with IP65 protection
Low power consumption and efficient heat dissipation
Outdoor macro base-station deployments (LTE / GSM / UMTS 1800 MHz)
Network modernization and capacity expansion projects
Rural and suburban wireless coverage
Integration in distributed RAN solutions using optical fiber CPRI links
Huawei RRU 3971 (02311HKL) is a 4T4R 1800 MHz remote radio unit designed for LTE / UMTS / GSM networks.
Delivering 4 × 40 W output power and −48 V DC operation, it offers superior outdoor reliability and is fully compatible with Huawei DBS3900 / DBS5900 base-station systems.
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