Distributed Antenna System-DAS

RJSH TECH

Inbuilding Coverage Solution

Ensure even cellular coverage across your entire office space or buildings

Target Customer

This solution caters to locations of any size, from small/med/large office buildings and campus environments to large public venues.

Time to Deploy

The duration of installation activities varies widely, ranging from several weeks to several months, depending on whether the system is passive or active, as well as its size and complexity.

Cost

Typical Range: $0.50 to $5 per square foot.

RJSH.TECH boasts a robust product portfolio, empowering our customers to choose what best suits their needs. We excel in optimizing cost reductions tailored to each unique use case.

Use Case

Coverage: Ideal for areas requiring reliable and continuous wireless cellular connectivity.

Capacity: A scenario where numerous endpoints gather, demanding cellular resources for connectivity.

Quality: For reliable wireless coverage on floors above the 10th, a distributed coverage system is essential.

Technology

Cutting-edge technology delivering in-building connectivity that effortlessly connects all authorized carrier cellular devices, while fostering an environment for IoT device integration.

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Assess Coverage Needs

  • Survey the Building: Conduct a site survey to determine areas with weak or no network signal. Use signal meters or software to map out coverage and identify “dead zones.”
  • Determine Bandwidth Requirements: Consider how many users and devices will be connected, and what types of activities (calls, data usage, etc.) they will perform.

Choose the Type of DAS

  • Active DAS: Best for large venues, active DAS uses fiber-optic cables to distribute signals and typically connects directly to the carrier’s network. It’s ideal for places with high traffic, such as stadiums or airports.
  • Passive DAS: Best for smaller buildings, passive DAS uses coaxial cables and amplifiers to boost the signal picked up from RAN networks. It is less costly and quicker to install.
  • Hybrid DAS: Combines aspects of both active and passive DAS, using a combination of coaxial and fiber-optic cables.

Signal Distribution

  • Select the Radio Access Network (RAN) OEM and determine the necessary frequencies to ensure optimal coverage and connectivity for the DAS.
  • The RAN network transmits the signal to the DAS headend, where it is processed and subsequently distributed through coaxial or fiber optic cables to strategically positioned indoor antennas.
  • Indoor antennas, including panel and dome antennas, distribute the boosted signal across the entire building, guaranteeing coverage in challenging areas such as basements and elevators.

Connect to Carrier Networks

  • Work with mobile carriers (such as Verizon, AT&T, etc.) to ensure your DAS is properly configured for the necessary network bands. This is especially important for active DAS systems that may require carrier approval and integration.

Monitor and Maintain the System

  • After installation, monitor the system for performance, adjusting the placement of antennas or amplifiers if needed. Regular maintenance is important to ensure the DAS continues to provide strong coverage as the building’s usage patterns change.

Scale as Needed

  • If the number of users increases or if you need to extend the coverage, you can add more antennas or amplify the system accordingly. DAS is scalable and can be adapted to cover new areas or meet increased data demands.

Use Cases of DAS for Network Connectivity:

  • Enhancing Cellular Coverage: DAS can boost weak cellular signals, ensuring uninterrupted calls, texts, and data usage within buildings where external signals are blocked by walls and construction materials.
  • Wi-Fi Extension: Some DAS setups can distribute Wi-Fi signals, extending network connectivity across large venues or remote areas of a building.
  • Public Safety: Many buildings use DAS to enhance emergency responder radio communications, ensuring critical communication in case of emergencies.

In Summary

Adhering to these steps guarantees that DAS delivers strong, reliable network coverage, enhancing connectivity in areas usually plagued by weak signals.