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Public tenders for electrical in Espoo Finland

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Laboratory, optical and precision equipments (excl. glasses)

Aalto University Foundation sr | Published December 28, 2016  -  Deadline January 20, 2017

Aalto University School of Electrical Engineering (ELEC) is relocating to new premises which necessitates a purchase of a new microwave anechoic chamber for far-field antenna measurements and 5G wireless systems development. The new anechoic chamber (chamber) will replace the existing facilities of the Department of Radio Science and Engineering (RAD) and the Department of Communications and Networking (COMNET).

Aalto University School of Electrical Engineering (ELEC) is relocating to new premises which necessitates a purchase of a new microwave anechoic chamber for far-field antenna measurements and 5G wireless systems development. The new anechoic chamber (chamber) will replace the existing facilities of the Department of Radio Science and Engineering (RAD) and the Department of Communications and Networking (COMNET).

The chamber shall be of self-standing rectangular type and EM-shielded. The construction method for the chamber metal EM-shielding shall be of modular type, not welded. Desired shielding attenuation is 100 dB or better up to 18 GHz. The chamber will have at least one door, feedthroughs for cabling and a provision for ventilating modest heat loads.

The distance between the transmitting and receiving antennas in a far-field measurement should be 5.5 m at minimum and the free space between the sidewall absorber tips at least 4.0 m. The chamber shall be lined with microwave absorbing material resulting in a quiet-zone reflectivity level of -50 dB or better from 10 GHz to 60 GHz. The lowest chamber operating frequency is 2 GHz. The chamber shall include an antenna positioning and instrumentation system that enables far-field measurements of the full spherical antenna pattern to be made in the frequency range from 2 GHz to 60 GHz. The load capacity of the antenna positioner should allow an antenna under test to be measured, e.g., when attached to a head phantom, with a total weight up to 10 kg.

Installation services (except software)

Teknologian Tutkimuskeskus VTT Oy | Published November 30, 2016  -  Deadline January 18, 2017

VTT Technical Research Centre Ltd. (VTT) to tender VTT's offices in the Helsinki metropolitan area of ​​research environments HVAC, instrumentation and electrical installation as well as automaatioasennus- procurement. Installation services needed for research environments, where people do experimental research in a variety of research and pilot-scale equipment. Research activities constantly require the preparation of new research equipment or old equipment modification to suit new purposes.

The objective of the procurement service is divided into three (3) sub-totality. The acquisition is described in more detail in the tender documentation.

Plumbing installation services.

The objective of the procurement service is described in detail in the tender documentation.

The objective of the procurement service are described in more detail in the tender documentation.

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