北京华瑞赛维通信技术有限公司
7 layers is an international group of test and service centers for the wireless communications industry, with broad expertise in development, testing and certification for GSM, GPRS, UMTS, EDGE, 3G, Bluetooth and other wireless communications technologies. All our locations are integrated into the "7ilayers Rapid Response Network", which provides easy access to our complete portfolio of test services and technology expertise via just one point of service:

__test and service centers in Europe, Asia and North America
__conformance and interoperability test services
__global certification services
__test case and test specification development
__development of test solutions

Latest News

12 March 2008
New test and service center "7 layers Japan" opening this month!

This month 7 layers is opening its new test and service center "7 layers Japan" in Yokohama. As new part of the 7 layers group, 7 layers Japan will now provide all test and market access services necessary for the Japanese Telecommunications Market plus all other test services, important for Japanese manufacturers when entering the global market. Click here for more.

5 March 2008
7 layers welcomes you to CTIA wireless 2008,

one of the most comprehensive trade shows in the wireless industry. We look forward to meeting you at our Booth 5620 in the Testing Pavilion. We will introduce you to our newly developed USIM, USAT and Bluetooth Test Solutions. You will also gain valuable information on the latest developments regarding test and market access procedures for chip –sets, modules and end-user products. A field that is becoming increasingly important for module integrators as well. Click here for more.

7 February 2008
7 layers services for cellular terminals supporting the new W-CDMA frequency band 8

Another new W-CDMA frequency band is approaching the world of cellular communication. It links the frequency bands 880-915 MHz (Uplink) and 925-960 MHz (Downlink) to the so called UTRA FDD band 8. Click here for more.

5 February 2008
Meet 7 layers in Barcelona

The Mobile World Congress 2008 will take place from February 11-14, 2008, in Barcelona. Meet 7 layers in Hall 2 at booth 2B28 and explore the benefits of working with us! Click here for more.

10 December 2007
New test services available!

As one of the worlds leading test facilities for wireless communications, 7 layers has set up a number of new test services for cutting edge technologies, such as HSUPA, U-SAT, A-GPS plus Application Enabler Testing. Adding these to our already large portfolio of test capabilities will help to serve you even better! Click here for more.

30 October 2007
California’s fires have spared 7 layers in Irvine

California's worst fires in four years, driven by hot Santa Ana winds which did not relent for three days, tormented Orange County last week. 7 layers in Irvine was threatened by the fires, but thanks to the engagement of the Californian fire workers and the considerateness of the 7 layers employees, the building was saved and the test laboratories continued to work all along. Click here for download the press releases as PDF file.

11 October 2007
WiMAX Test Services at 7 layers

With the deployment of commercial WiMAX services based on IEEE 802.16e planned for 2008, the demand for WiMAX test services is greater than ever. 7 layers has now added WiMAX to its portfolio of services. Offering test services via 7 layers will help assisting manufacturers in preparing their products for official certification testing. Click here for more information.

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