Understanding the N79 4×4 MIMO Radio Unit: A Technical Deep Dive
The telecommunications industry is rapidly evolving, and the deployment of 5G networks relies on robust, high-performance hardware. One such critical component is the radio unit operating in the N79 band, specifically designed to support 4×4 MIMO technology. This article provides a comprehensive overview of the key electrical, environmental, and mechanical specifications that define this advanced equipment, ensuring you have the clarity needed for network planning and deployment.
Key Electrical Specifications for the N79 4×4 MIMO Radio
At the heart of any radio access network lies its ability to transmit and receive data reliably. The N79 4×4 MIMO radio unit is engineered to deliver exceptional performance across both uplink and downlink channels. The frequency range for both operations spans from 4700 to 5000 MHz, enabling wide-area coverage and high-capacity data transmission. With an instantaneous bandwidth of 300 MHz and an operational bandwidth of 100 MHz, this unit supports the demanding requirements of 5G New Radio (NR) as well as LTE and NR mixed modes. The configuration includes 4x20W RF output power, ensuring strong signal propagation even in challenging environments.
Power Supply and Interface Details
The unit operates on a -48V DC power supply, tolerating a voltage range of -36V to -57V, and delivers a precise 27 ± 1 dBm RF per port. It adheres to the O-RAN split option 7-2x, which is a crucial standard for open and interoperable radio access networks. For fronthaul connectivity, it is equipped with 2 SFP+ ports, supporting data rates up to 10.3125 Gbps. Full compliance with 3GPP specifications TS38.104 and TS38.141 ensures that the equipment meets global industry standards for performance and reliability.
Comprehensive Product Specifications Table
| Category | Parameter | Specification |
|---|---|---|
| Electrical Data | Frequency (Uplink) | 4700–5000 MHz (4×4 MIMO) |
| Frequency (Downlink) | 4700–5000 MHz (4×4 MIMO) | |
| Instantaneous Bandwidth | 300 MHz | |
| Operation Bandwidth | 100 MHz | |
| Mode | NR, LTE & NR | |
| RF Output Power | 4x20W | |
| Power Supply | -48V DC (-36V to -57V) / 27 ± 1 dBm (RF per port) | |
| O-RAN Split Option | Split option 7-2x | |
| Front Haul (SFP ports) | 2 ports, Max data rate 10.3125 Gbps | |
| Compliance | 3GPP Standard | TS38.104, TS38.141 |
| Environmental Data | Operating Temperature | -40°C to +55°C (without solar radiation), -40°C to +50°C (with solar radiation) |
| Relative Humidity | 5% RH to 100% RH | |
| Absolute Humidity | 1 g/m³ to 30 g/m³ | |
| Atmospheric Pressure | 70 kPa to 106 kPa | |
| Shockproof Protection | NEBS GR63 Zone 4 | |
| Ingress Protection (IP) | IP65 | |
| Mechanical Data | Size | 400 x 330 x 100 mm |
| Volume | 13.2 L | |
| Weight | 15 kg | |
| RF Connectors | 4 x 4.3-10 Female |
Environmental Resilience and Mechanical Robustness
Designed for outdoor deployment, this N79 4×4 MIMO radio unit excels in harsh environments. It operates reliably across a wide temperature range from -40°C to +55°C without solar radiation and -40°C to +50°C with solar radiation. Its ability to handle relative humidity from 5% to 100%, along with absolute humidity from 1 g/m³ to 30 g/m³, makes it suitable for various climatic conditions. The atmospheric pressure tolerance of 70 kPa to 106 kPa ensures functionality at different altitudes. Furthermore, the unit meets NEBS GR63 Zone 4 shockproof protection standards, guaranteeing resilience against seismic events. With an IP65 ingress protection rating, it is dust-tight and protected against low-pressure water jets, making it ideal for outdoor installations.
Mechanical Dimensions and Connectivity
The unit’s compact design, measuring 400 x 330 x 100 mm and weighing 15 kg, simplifies installation and integration into existing infrastructure. It features four 4.3-10 Female RF connectors, providing robust and reliable connections for antenna systems. The combined technical attributes make this N79 4×4 MIMO radio unit a versatile and future-proof solution for telecom operators seeking to enhance their 5G network capacity and coverage.
For more detailed testing information or to discuss customization options, feel free to contact us. The N79 4×4 MIMO technology represents a significant advancement in radio access network performance, and understanding its specifications is key to successful deployment.
