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Zyxel’s Active Distributed Antenna System (Active DAS) solution uses Ethernet or optical fiber cabling, with a system architecture similar to WiFi. With simplified system planning and deployment, installation is fast and efficient, significantly reducing labor and construction costs.
What is Active DAS?
Active DAS (Distributed Antenna System) leverages active components—such as a Base Unit(BU) at the head-end—to capture RF signals and distribute them to Remote Units(RU) with built-in antennas throughout the building via Ethernet cables or fiber optics. If more coverage is needed, an optional Expander can be added to increase the number of Remote Units.
Since all components in an Active DAS are active devices equipped with signal amplification or conversion capabilities, the system can effectively compensate for signal loss during transmission. This results in negligible signal attenuation across the network. Furthermore, the output power of each Remote Unit can be precisely configured up to its maximum limit, making system planning more straightforward, intuitive, and efficient.
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Zyxel Active DAS Solutions
WiFi-like System Planning
Ultra-Simple System Architecture!
With Zyxel Active DAS Solutions, designing a DAS system is as simple as planning a WiFi network. The Base Unit (BU) functions like a WiFi Controller, the Expander acts as an Ethernet Switch, and the Remote Unit (RU) operates like a WiFi Access Point (AP).
Unlike legacy passive DAS, which requires complex and time-consuming signal attenuation calculations, Zyxel Active DAS Solutions eliminate this hassle—just install RUs where coverage is needed, just like placing WiFi APs.
Ethernet or Fiber Cabling
Say Goodbye to Coaxial Cables! Our active DAS solutions utilize Ethernet or fiber cabling, enabling faster deployment, simpler installation, and significantly reduced material, equipment (e.g., cranes), and labor costs.
Flexible Signal Input
No longer solely dependent on MNO-provided base station signals, Zyxel Active DAS Solutions offer flexible sourcing options for DAS deployment.
In addition to direct connections with telecom base stations (Macro, Micro, Small Cell, ORAN-RU), the system can also receive over-the-air signals via outdoor antennas. These signals can be amplified using low-power cellular repeaters (brand-agnostic) before being fed into the system. This flexibility empowers even general IT-based system integrators to independently deploy DAS projects with ease.
Multi-band, Multi-carrier
Each BU’s RF module supports 1 or 4 SMA inputs, allowing 1 to 4 sub-channel sources. It can integrate signals from multiple operators and automatically equalizes up to four inputs before combining and distributing them for seamless signal relay.
Our system supports FDD (Band 1/3/8/28) and TDD (n77/n78) for 4G and 5G, allowing flexible RF band module combinations in a single DAS. With 256QAM and low latency, it relays GSM, UMTS, WCDMA, LTE, HSPA, NR, and NB-IoT signals simultaneously across frequency range.
Application
ideal for a wide range of environments, including hotels, office buildings, campuses, basements, and warehouses. Each system supports up to 8 optional Expander Units, enabling deployment of up to 64 or 128 Remote Units (RUs). Every RU includes a built-in antenna for each RF band module, allowing for straightforward installation—simply position the RU where coverage is required, and the system is ready to operate.
Related Resources
The Passive, Active, and Hybrid DAS, and their Pros & Cons
DAS Market at a Glance
Indoor Mobile Signal Coverage: Why, What & How
Cellular Repeater vs. Distributed Antenna Systems (DAS)
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