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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.

VIRVE acquisition of appliances and accessories

Espoon kaupunki | Published December 20, 2016
The City of Espoo ask for an offer of Espoo, Vantaa and Porvoo city (also later referred to as Client) Virve terminal, as well as their accessories. Purchasing will take place in Espoo, Vantaa and Porvoo city as joint. The common call for tenders based on the Espoo and Vantaa cities signed the agreement on joint procurement as well as the City of Porvoo in respect of a separate power of attorney. In accordance with the contract and power of attorney the City of Espoo will make the acquisition of the award decision and the award of contracts in Vantaa and Porvoo on behalf of the city. The tender competition is divided into the following areas: 1. The vehicle drive auxiliary equipment 2. The Steering Radio with accessories 3. Smoke Radio with accessories Tenders may be submitted for one or more sub-region (also referred to as target groups). A more detailed description of the tender documents. The City of Espoo ask for an offer of Espoo, Vantaa and Porvoo city (also later referred to as Client) Virve terminal, as well as their accessories. Purchasing will take place in Espoo, Vantaa and Porvoo city as joint. The common call for tenders based on the Espoo and Vantaa cities signed the agreement on joint procurement as well as the City of Porvoo in respect of a separate power of attorney. In accordance with the contract and power of attorney the City of Espoo will make the acquisition of the award decision and the award of contracts in Vantaa and Porvoo on behalf of the city. The tender competition is divided into the following areas: 1. The vehicle drive auxiliary equipment 2. The Steering Radio with accessories 3. Smoke Radio with accessories Tenders may be submitted for one or more sub-region (also referred to as target groups). A more detailed 19.12.2016
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