Systems infrastructure

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NEBULA infrastructure for TETRA mobile radio networks delivers excellent coverage, security and reliability in a platform designed for efficient implementation and cost-effective scalability. NEBULA is the only TETRA system that is fully 100% Ethernet /IP based. A secure and reliable network can be built with distributed switching, distributed intelligence, and complete fault-tolerant redundancy, offering lower network costs due to the use of commercially available off-the-shelf equipment.

The Switching Control Node (SCN) is responsible for providing intelligence to the network, integrating user settings, and providing access to standard PMR services.

Our wide range of base stations, fixed and portable, are built to operate in diverse and challenging conditions delivering the best performance in every operational scenario, indoor or outdoor. 

Sepura's Network Management System (NMS) manages and operates the network infrastructure, across TETRA and/or LTE radio technologies.

Radio access

Site Base Station (SBS)

  • Fixed unit installed indoor or outdoor
  • Up to 75 watts of output power
  • Triple diversity enlarging covering area, reducing number of base stations required
  • 100% Ethernet/IP design, both at signalling and voice level, unique in the TETRA market

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Mounted Base Station (MBS)

  • Wall or tower mounted at minimum cost
  • No additional unit required at bottom of tower, ensuring cost-effectiveness
  • Improve coverage in shadow zones
  • Easy upgrade to two TETRA carriers with additional unit

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Portable Base Station (PBS)

  • Fully portable Mounted Base Station using accessory to facilitate transportation

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Deployable Base Station (DBS)

  • Reduced size, easily transportable
  • Tough, operates in harshest of weather conditions
  • Isolation mode
  • Upgradable to 4 carriers by adding additional unit

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MBS Lite

  • Complete one-carrier TETRA base station
  • Full TETRA functionality
  • Set of software tools for remote system maintenance

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Solo Base Station

  • Compact, single-carrier TETRA base station
  • Spectrum-efficient IP connectivity
  • Low power consumption
  • Operates in stand-alone or network modes

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FR400 base station

  • 25W TETRA base station
  • Provides up to eight carriers
  • Spectrum-efficient IP connectivity
  • Low power consumption
  • Operates in stand-alone or network modes

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Network core

eXtras FTS100 switching infrastructure

  • IP-based switching infrastructure
  • Modular and scalable for all market needs
  • Deployable with high availability
  • COTS (Completely Off-the-Shelf) hardware

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eXtras FTG64 gateways

  • Open standards-based gateways available for voice and data
  • Modular and scalable 
  • Deployable with high-availability
  • COTS (Completely Off-the-Shelf) hardware

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Central Voice Recorder

  • Central recording of all voice calls
  • User-friendly GUI
  • Convenient search masks

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Security Management

  • Supplies multiple security variants
  • Several encryption modes

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Network management