5G Distributed Base Station 3300-3800 MHz RRU 4T4R Band 7 for BTS RRU-E-Q7(46)-4TR-DC Wireless Infrastructure Equipment

The RRU-E-Q7(46)-4TR-DC is a high-performance 5G distributed base station unit designed for modern wireless networks that demand superior reliability, speed, and efficiency. 

Operating in the 3300-3800 MHz frequency band (Band 7 RRU), this 4T4R RRU delivers exceptional connectivity with optimized power output, efficient cooling, and robust protection against environmental challenges.

Manufactured by ZDTECH, this base station radio transceiver is engineered for outdoor signal tower integration, offering a scalable and cost-effective solution for 5G NR (New Radio) and 4G LTE networks. 

With an IP65 waterproof rating, natural convection cooling, IEEE1588-V2 / SyncE synchronization, and eCPRI Option 7-2A front port connectivity, this RRU ensures seamless wireless communication infrastructure deployment.

Key Features of RRU-E-Q7(46)-4TR-DC

• Model Number: ZD-RRU-Q7-4TR
• Type: Remote Radio Unit (RRU)
• Brand: ZDTECH
• Technology Support: 4G LTE & 5G NR
• Frequency Range: 3300 MHz – 3800 MHz
• Channels: 4 Transmit & 4 Receive (4T4R RRU)
• Max Output Power: 4 x 40W
• Carrier Bandwidth:
  • 4G LTE: 5M / 10M / 15M / 20M (SCS 15KHz)
  • 5G NR: 40M (SCS 30KHz)
• Synchronization Technology: IEEE1588-V2 / SyncE
• Front Port: eCPRI (Option 7-2A) 10.3125Gbps SFP x 2
• Cooling: Natural convection cooling (fanless design for durability)
• Power Supply: DC 48V (36–57V)
• Operating Temperature: -40°C ~ +55°C
• Protection Rating: IP65 (dustproof & waterproof)
• Weight & Dimension: 15 Kg / 400mm x 330mm x 100mm
• Compliance: 3GPP TS 36.141, TS 37.141, TS 38.141, ETSI EN 300019-1-4, NEBS GR63 Zone 4

Why Choose RRU-E-Q7(46)-4TR-DC for Wireless Infrastructure?

1. Seamless 5G & 4G Integration

The RRU-E-Q7(46)-4TR-DC supports both 5G NR and 4G LTE, making it a versatile choice for telecom operators looking to expand or upgrade their networks. Its wide frequency range (3300–3800 MHz) ensures compatibility with existing LTE deployments while preparing for next-generation 5G wireless infrastructure.

2. High Transmission Power

With 4 x 40W maximum transmitting power, this base station radio transceiver ensures strong signal coverage, minimizing dead zones, and improving network performance in both urban and rural environments.

3. Energy-Efficient & Reliable

The RRU 3300-3800 MHz is built for efficiency, consuming 504W at full load and scaling down intelligently at partial loads. Its natural convection cooling eliminates the need for moving parts like fans, reducing maintenance and extending operational life.

4. Rugged Outdoor Design

Engineered for harsh environmental conditions, the Band 7 RRU features an IP65 waterproof rating, -40°C to +55°C temperature resistance, and compliance with NEBS GR63 zone4 vibration standards. Whether in extreme heat, cold, or high-humidity regions, this RRU ensures uninterrupted operation.

5. Advanced Synchronization & Connectivity

Built with IEEE1588-V2 / SyncE synchronization and eCPRI Option 7-2A, the RRU ensures low latency, high reliability, and optimal synchronization between network components—crucial for smooth 5G deployments.

Technical Specifications

Applications of RRU-E-Q7(46)-4TR-DC

• 5G Network Expansion: 

Ideal for deploying new 5G NR networks in the 3300-3800 MHz band.

• 4G LTE Enhancement: 

Strengthens LTE coverage while supporting smooth transition to 5G.

• Rural Connectivity: 

Extends wireless coverage in underserved areas with its powerful 4T4R architecture.

• Urban Signal Density Improvement: 

Enhances connectivity in high-traffic urban environments.

• Outdoor Telecom Infrastructure: 

Built for integration in outdoor towers and macro base stations.

Benefits of Choosing This 4T4R RRU

• Future-Ready: Supports both 4G and 5G technologies.
• Reduced OPEX: Energy-efficient power consumption and fanless cooling minimize operational costs.
• Scalability: Flexible bandwidth options allow easy scaling of network capacity.
• Reliability: Rugged design ensures stability in the harshest environments.
• High Throughput: eCPRI 10Gbps connectivity ensures ultra-fast backhaul transmission.

Power Consumption Efficiency

The RRU-E-Q7(46)-4TR-DC offers optimized energy usage across different loads:

• 100% Load: 504W
• 50% Load: 383W
• 30% Load: 315W
• 10% Load: 215W

This ensures telecom operators save costs while maintaining high network performance.

O-RAN Compatibility

Conforming to O-RAN specifications, the RRU integrates seamlessly with open and interoperable wireless infrastructure systems.

• Transmission Interface: Fiber 10.3125Gbps
• Control/User/Sync Plane Specification: ORAN-WG4.CUS.0-v02.00
• Management Plane Specification: ORAN-WG4.MP.0-v02.00

This ensures maximum flexibility for operators deploying open-RAN 5G base station solutions.

Frequently Asked Questions 

What is the RRU-E-Q7(46)-4TR-DC used for?

The RRU-E-Q7(46)-4TR-DC is a remote radio unit designed for 5G NR and 4G LTE wireless infrastructure. It extends signal coverage and capacity in the 3300-3800 MHz frequency band.

How much power does this RRU consume?

At full load, it consumes 504W, with lower consumption at partial loads (383W at 50%, 315W at 30%, and 215W at 10%).

Can it work in extreme weather conditions?

Yes. With an IP65 waterproof rating and -40°C to +55°C operating temperature, it is suitable for outdoor deployments in all climates.

Does it support 5G technology?

Absolutely. It supports 5G NR with 40 MHz carrier bandwidth alongside 4G LTE for smooth network evolution.

What is the maximum transmitting power?

It supports up to 4 x 40W, ensuring strong coverage and reliable signal distribution.

Is this RRU O-RAN compliant?

Yes. It fully complies with O-RAN specifications, making it interoperable with open-RAN infrastructures.

What cooling system does it use?

The RRU-E-Q7(46)-4TR-DC uses natural convection cooling, eliminating the need for mechanical fans, which improves reliability.

Can it be installed on outdoor signal towers?

Yes, it is specifically designed as outdoor wireless infrastructure equipment with rugged environmental resistance.

What type of interface does it have?

It uses eCPRI (Option 7-2A) with 10.3125Gbps fiber ports for high-speed communication.

Who should buy this product?

Telecom operators, ISPs, and infrastructure providers looking to expand or upgrade 4G LTE and 5G wireless networks should invest in this Band 7 RRU.