15/05/2026
Did you know?
This diagram represents a common layout for a micro- or standard base station antenna site, often located on the rooftops of buildings to provide mobile network coverage (like 4G/LTE or 5G) to the surrounding area. The components are meticulously broken down and categorized below.
1. Core Communication Units
These components handle the core function of sending and receiving wireless signals.
Panel Antenna (Multiple Frequency Bands): This is the large white panel. It is the primary interface that transmits and receives radio waves to and from user devices (like mobile phones) across multiple distinct frequency ranges.
Integrated Remote Radio Units (RRUs): These smaller gray boxes, mounted directly behind the antenna, are the "radios" themselves. They process the digital signal and convert it into high-power radio frequencies (RF) for the antenna, reducing signal loss. By having multiple units, different technologies (e.g., 4G and 5G) can be supported.
Microwave Antenna (for Backhaul/Link): The small circular dish at the top-right. This is used for "backhaul," providing a high-speed wireless data link (point-to-point) to connect this local station to the main core network.
2. Cabling and Signal Transport
A complex network of cables connects the radio components to the power and data sources.
Fiber Optic Cables (CPRI Interface): These are the thin, blue cables. They carry high-speed digital signals (using the Common Public Radio Interface, or CPRI) between the radio units and the baseband processing equipment (which is usually located further away).
RF Cables (Coaxial): The orange and thicker cables. They carry the processed radio frequency signals from the RRUs to the antenna ports. The diagram even points out a specific Antenna Port Connection where the RF cable attaches to the antenna.
Hybrid Cable (Power & Fiber): A single thick cable bundle that combines both electrical power wires and multiple fiber optic strands into one, simplifying installation.
3. Power and Grounding Systems
These ensure the site is powered safely and protected from electrical surges.
Power Supply Unit (PSU) - (DC -48V): This large lower-right unit is the primary power hub. It converts the incoming utility AC power into the steady 48-volt DC power required by the sensitive radio equipment.
AC Power Connections: There are multiple points marked for where the utility-grade AC power enters the main PSU unit.
Grounding Bar & Surge Arrestor: This terminal bar is a vital safety component. All metal frames and equipment are connected to it via Grounding Cables to provide a safe path for fault currents, protecting the site from lightning strikes and electrical surges.
4. Structural Elements
The infrastructure that physically supports the communication equipment.
Modular Mounting Pole (Galvanized Steel): The entire central vertical structure. Galvanized steel is used for its strength and weather-resistant properties. The design is modular, allowing for flexible equipment placement.
