Mariposa Facility

5046 Sierra Pines Drive
Mariposa, CA 95338
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All CKC test facilities are accredited to ISO Guide 17025 by A2LA. Click here for a listing of all CKC accreditations and agency listings.

Overview of Test Sites


Mariposa Site A is a large capacity Open Area Test Site (OATS). The primary focus of Site A is RF emissions and transmitter performance testing for FCC, IC, CE mark (EN), VCCI and CISPR. The 40 ton capacity, 40 ft. diameter turntable and extra large entry door, makes Site A ideal site for testing large, heavy and/or complex systems. The low ambient environment provides the same fast, accurate and repeatable reading as our smaller test sites. 

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Mariposa Site C is a semi-anechoic chamber. This site is optimally configured for and is configured for compliance testing to CE and IEC immunity requirements. The chamber is equipped with an attached isolation room for EUT support equipment.

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Mariposa Site D is an Open Area Test Site (OATS). The primary focus of Site D is RF emissions and transmitter performance testing for FCC, IC, CE mark (EN), VCCI and CISPR. The low ambient environment of Site D makes it ideal for providing fast, accurate readings in a convenient, low ambient environment.

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  • February 16, 2011

    CKC's emissions test sites are now accredited to perform above 1 GHz testing to CISPR22: 2005 (with A1) and EN55022:2006 (with A1).

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  • January 2, 2011

    CKC Laboratories in Brea, CA and Mariposa, CA offer full testing and certification services for ITE products destined for the Korean market.

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  • February 15, 2010

    CISPR has been hard at work on new EMC standards for Multimedia Equipment (MME) to be known as CISPR 32 and CISPR 35.

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