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非執照的無線設備檢測項目報價???解決方案???檢測周期???樣品要求? |
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本標準規定了工作在336 MHz~344 MHz或1 785 MHz~1 805 MHz頻段視頻監控系統無線傳輸設備的主要射頻技術參數、限值要求和測試方法。本標準適用于工作在336 MHz~344 MHz或1 785 MHz~1 805 MHz頻段視頻監控系統中的無線傳輸設備,包括基站、中繼臺和便攜臺等設備。
隨著經濟的發展,地下鐵道工程由原來的地下隧道,發展為地上和地下的城市軌道交通,其制式也多樣化,本標準除不適用于“磁懸浮”“跨坐式”“直線電機”制式城市軌道交通外,也適用于其他制式的城市輕型軌道交通的施工。
The purpose of this report is to summarize the result of the studies on sharing the 36-37 GHz band by the fixed and mobile services and the Earth exploration-satellite service (EESS) (passive).
This Report presents an overview of Inspections Procedures in response to Question ITU-R 225/1 regarding inspection techniques and procedures. The Question relates to how administrations proceed in planning and conducting radio station inspections. The purpose of this Report is to provide general guidelines for planning and performing inspection activities on various types of radio stations. Inspection activities often include review and verification of both technical and administrative conditions assigned to a radio station or other spectrum user. Although the term “licensed” is used throughout the document, this term can be considered here to include not only stations with licences issued by the regulatory authority, but also other authorized spectrum users (such as those operating with “licence exempt” devices like low-power radios and RF devices operating under equipment standards approval). The primary focus of this report is to consider inspections that are conducted “on-site”, by visiting the transmitter location. Included in Annexes are some specific examples in certain services, toprovide examples of howthe general guidelines can be applied. This Report should be considered a general guidance document for inspections planning.
This Report contains propagation aspects, system design parameters, possible applications and other technical/operational characteristics, which are required for the implementation of fixed wireless systems in the frequency ranges 57 GHz to 130 GHz. The applications include specific examples of outdoor/indoor wireless connections taking advantage of these frequency bands (i.e. 60 GHz (57-64 GHz), 70 GHz (71-76 GHz), 80 GHz (81-86 GHz), 95 GHz (92-95 GHz) and 120 GHz (110-130 GHz)). The example systems in the 120 GHz case study, actually cover systems in the 110-130 GHz band. It is intended that future versions of this Report would be needed.
This Report provides a summary of the market analysis and forecast of the future market, as well as detailed data on the traffic forecasts, based on internal and external studies to the year 2010– 2020 as well as detailed data on the traffic forecasts in different parts of the world. It also provides examples of potential services and applicationsof future development of IMT-2000 and systems beyond IMT-2000 from the year 2010 onwards.
This Report presents an overview of Inspections Procedures in response to Question ITU-R 225/1 regarding inspection techniques and procedures. The Question relates to how administrations proceed in planning and conducting radio station inspections. The purpose of this Report is to provide general guidelines for planning and performing inspection activities on various types of radio stations. Inspection activities often include review and verification of both technical and administrative conditions assigned to a radio station or other spectrum user. Although the term “licensed” is used throughout the document, this term can be considered here to include not only stations with licences issued by the regulatory authority, but also other authorized spectrum users (such as those operating with “licence exempt” devices like low-power radios and RF devices operating under equipment standards approval). The primary focus of this report is to consider inspections that are conducted “on-site”, by visiting the transmitter location. Included in Annexes are some specific examples in certain services, toprovide examples of howthe general guidelines can be applied. This Report should be considered a general guidance document for inspections planning.
The topic of this supplement is spam and associated threats. This supplement is intended for national administrators who are newcomers to the concept of spam and would like some basic information about it.
Supports wireless two-way digital communications for process measurement and control devices according to wireless hart.
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