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Network coverage in buildings

Today we want to be connected everywhere. Therefore, mobile radio connections must not end at the entrance to larger buildings. Especially in large premises, there is a need for comprehensive network coverage for good signals – always and everywhere.

Coverage is one critical requirement for deploying mobile communication networks. This is true for all cell architectures such as macro, micro, small and pico cells. For reaching all users in a cellular network, in-building coverage also needs to be ensure. Especially on the lower floors in large buildings, network availability is limited, if the building is not equipped with a distributed Antenna System. This solution is implemented to achieve optimal coverage and provide maximum capacity in large building.

Product portfolio

Telegärtner offers passive DAS components such as Power Splitters, Couplers or Tappers to support its customers with suitable solutions. A broad range of coaxial RF components is available to cover the need for such products and to meet the heterogeneous requirements of each site. Due to the tendency of higher requirements regarding PIM levels, Telegärtner only offers low-PIM components (≤ -161 dBc) in the standard portfolio. Furthermore, future-proof components for frequencies up to 3.8 GHz are available for 5G applications. The portfolio includes products with 4.3-10 and N series connectors. Customized solutions are available on demand.

 

Power Splitter

Power Splitters are used to split a signal equally from one input port through two, three or four output ports. All listed splitters are suitable for low-PIM applications due to the low PIM level of ≤ -161 dBc and are also characterized by high power capacity and low VSWR.

Two directional couplers

Directional Couplers

Directional Couplers can be used to split a signal into either two equal or into two unequal shares. This is provided with high isolation between the coupled and the output port. Directional couplers provide superior characteristics in terms of directivity and return loss. All listed directional couplers are suitable for low-PIM applications due to the low PIM level of ≤ -161 dBc.

Tappers

Tappers are used to divide a signal into unequal parts respectively to tap off a signal portion from a main transmission line. Tappers are differentiated from couplers by being able to split signals only in defined ratios and without directivity. Tappers are generally smaller and less expensive than couplers, but also come with a low PIM level of ≤ -161 dBc and high power rating.

Hybrid Couplers

Hybrid Couplers are basically used for either splitting a signal into equal shares with high port isolation or to combine signals within the same frequency band. As for most other components, Telegärtner concentrates on low PIM, low VSWR and low insertion loss.

Passive low-PIM Components

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Indoor Antennas

In addition to the wide range of passive DAS components, Telegärtner introduces a diverse selection of indoor DAS antennas to round up the portfolio. The addition to the product range offers Telegärtner customers the right solution for the heterogeneous requirements of different passive DAS sites.

The Portfolio includes:

  • SISO and MIMO antennas
  • low-PIM antennas with unobstrusive design
  • omnidirectional and directional antennas (ceiling and wall mount)
  • various polarisations
  • different frequency ranges (TETRA, 2G, 3G, 4G, 5G, WiFi)
  • installer-friendly 0.5 m cable length
  • mounting material included