Huawei RRU3281 02311HEF High-Capacity 4T4R 2600MHz B7 Remote Radio Unit 4×4 MIMO
Brand Name: Huawei
Product Name: RRU3281
Part Number: 02311HEF
Description: Huawei RRU3281 02311HEF 4T4R 2600MHz delivers 160W output power across Band 7. Supports 4×4 MIMO for high-capacity LTE/5G. Features dual 10G CPRI ports, natural cooling, and compact 18kg outdoor housing.
Description
Description
Huawei RRU3281 02311HEF High-Capacity 4T4R 2600MHz B7 Remote Radio Unit 4×4 MIMO
RRU3281 02311HEF LTE FDD, 2600MHz, B7, IBW 60 MHz, 3 carriers, 4T4R, 4 x 40w
1. EXECUTIVE PRODUCT OVERVIEW for Huawei RRU3281 02311HEF
The Huawei RRU3281 02311HEF is a high-performance Remote Radio Unit specifically designed for the 2600 MHz (Band 7) frequency range. It features 4T4R (4 Transmit, 4 Receive) technology, enabling high-order MIMO for enhanced spectral efficiency and data throughput. This RRU is a critical component for LTE-Advanced and 5G NR (NSA) capacity layers, providing high output power and carrier aggregation support in a compact, outdoor-rated housing.
2. TECHNICAL DESCRIPTION for Huawei RRU3281 02311HEF
The Huawei RRU3281 02311HEF functions as the RF processing unit of a distributed base station (DBS). It converts digital baseband signals from the BBU into high-frequency RF signals for transmission through the antenna.
- MIMO Support: 4×4 MIMO or 2x 2×2 MIMO.
- Connectivity: Dual CPRI ports (up to 10 Gbps) for daisy-chaining or load balancing.
- Installation: Supports pole, wall, or stand mounting with natural heat dissipation (no fans).
3. SPECIFICATION SUMMARY for Huawei RRU3281 02311HEF
| Parameter | Specification Details |
|---|---|
| Model | RRU3281 (02311HEF) |
| Frequency Band | 2600 MHz (Band 7) B7 |
| Frequency Range | TX/RX: 2620–2690 MHz / 2500–2570 MHz |
| Output Power | 4 x 40W (Total 160W) |
| MIMO Configuration | 4T4R |
| CPRI Ports | 2 x SFP (6.144 / 9.8 Gbps) |
| Dimensions (H x W x D) | 400 x 300 x 150 mm |
| Weight | ~18 kg |
4. FREQUENCY EQUIVALENT PRODUCTS for Huawei RRU3281 02311HEF
Below are the equivalent Huawei RRU models and specific BOM part numbers for the 2600 MHz (Band 7 ) frequency range:
- RRU3931: Specialized for small cell/lamp-site deployments.
- RRU3260: A common 2T2R predecessor in the 2600MHz band.
- RRU5501: A newer 4T4R unit with higher power density for 5G.
| Equivalent Model | Part Number (BOM) | Description / Configuration |
|---|---|---|
| RRU5304 | 02312CME | Band 7, 4T4R, 4 x 60W (240W High Power) |
| RRU5301 | 02311PFF | Band 7, 4T4R, 4 x 40W (Standard 160W) |
| RRU5304w | 02312GCS | Band 7, 4T4R, 4 x 60W, IP65 Outdoor |
| RRU3281 | 02311HEG | Band 7, 4T4R, 4 x 20W (Low-Power Micro) |
| RRU3260 | 02311KVA | Band 7, 2T4R, 2 x 40W (Legacy variant) |
| RRU3235E | 02311JPT | Band 41, 4T4R (TDD 2.6G variant) |
| RRU5501 | 02311YPH | Band 7, 4T4R, 5G NR/LTE High Performance |
| RRU5301cw | 02311UVS | Band 7, 4T4R, Compact Series |
| RRU5258 | 02312GCA | Band 41, 8T8R, Beamforming TDD Unit |
| RRU5301 | 02311KWV | Band 7, 4T4R, HW Ver: WD5MLRUC8TA |
| RRU3281 | 02311PKC | Band 7, 4T4R, Specialized TX/RX Offsets |
| RRU5301 | 02312GCM | Band 7, 4T4R, Mid-Band Optimized |
| RRU5904 | 02312NCP | Multi-mode 4T4R (Supports 2.6G/2.1G) |
| RRU3268 | 02311HEH | Band 3/7 Dual-Mode (1800/2600MHz) |
| RRU3276 | 02311QAD | Band 38, 4T4R (TDD High-Power) |
| RRU3252 | 02310TQF | Band 7, 2T2R (Legacy 80W Unit) |
| RRU3256 | 02310YFY | Band 7, 2T4R, Enhanced RX Sensitivity |
| RRU5309 | 02312GCS | Band 7, 4T4R, CloudAir 2.0 Support |
| RRU3240 | 02310VUP | Band 7, 2T2R, 2 x 40W Standard |
| RRU3281 | 02311HFF | Band 7, 4T4R, Integrated eLTE Support |
5. STRATEGIC APPLICATIONS for Huawei RRU3281 02311HEF
- Urban Capacity Densification: Adding high-speed LTE-Advanced layers in dense city centers.
- TDD/FDD Hybrid Sites: Deploying Band 7 FDD alongside TDD layers for carrier aggregation.
- Indoor/Stadium Coverage: High 4×4 MIMO throughput for high-user-density venues.
6. ACCESSORIES LIST for Huawei RRU3281 02311HEF
| Item Name | Part Number | Description |
|---|---|---|
| Mounting Kit | 21152011 | Universal pole/wall mounting bracket |
| Power Connector | 25030201 | Outdoor AC or DC power connector (Tool-less) |
| SFP Module | 34060515 | 10G Single-mode, 1310nm, 1.4km SFP |
| AISG Cable | 04150531 | RCU control cable for RET antenna |
7. VARIANT MODELS & DIFFERENCES for Huawei RRU3281 02311HEF
| Model | Part Number | Output Power | Difference |
|---|---|---|---|
| RRU3281 | 02311HEF | 4 x 40W | Standard high-power 4T4R unit. |
| RRU3281 | 02311HEG | 4 x 20W | Lower power consumption variant for small zones. |
| RRU3281 | 02311HFF | 4 x 40W | Variant with specialized filter for narrow band-edges. |
8. COMPATIBILITY (BBU, RRU, BOARDS) for Huawei RRU3281 02311HEF
- BBU Models: BBU3900, BBU3910, BBU5900.
- Baseband Boards: UBBPd6, UBBPg2, UBBPe4 (Required for 4T4R processing).
- Compatible RRU (Co-siting): RRU3268 (1800MHz), RRU3222 (2100MHz).
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