Expedited DFS Review Request

FCC ID: LDK102079P

Cover Letter(s)

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FCCID_1570207

Jim Nicholson EMC Compliance Engineer Cisco Systems, Inc. 4125 Highlander Parkway Richfield, OH 44286 October 26, 2011 Re: FCC ID: LDK102079P Applicant: Cisco Systems Inc Please apply the “DFS Expedited Review process” for this device based on the following criteria: Previous FCC ID: New Application FCC ID: Expedited Review Checklist LDK102073 LDK102079P Technology: 802.11n / MIMO 802.11n / MIMO Test labs used by this and previous Cisco Systems Cisco Systems report Differences between the products such Supports 2 Tx /3 Rx Supports 2 Tx /3 Rx paths, as TX power, modulation, receivers, paths, 17dBm Tx power 17dBm Tx power per path processing circuitry, etc. per path Uses Marvel chipset and Uses Marvel chipset and Cisco Systems "Clean Cisco Systems "Clean Air" Air" algorithm for DFS algorithm for DFS radar radar detection. DFS detection. DFS detection is Differences / similarities in DFS detection is controlled controlled completely by the functioning, circuitry, software, etc. completely by the Cisco Cisco SaGE engine (the Cisco SaGE engine (the Cisco IP IP pulse processing and pulse processing and detection engine) detection engine) embedded in the Marvel embedded in the Marvel chip. chip. Antenna information and differences for Supports 2‐6 dBi Supports 2‐7 dBi antennas the minimum gain antennas antennas Supports 20 and 40 MHz Supports 20 and 40 MHz Bandwidth information and differences bandwidths bandwidths Best Regards, Jim Nicholson Compliance Engineer Phone: (330) 523-2094 Fax: (330) 523-2002 E-Mail: jimnicho@cisco.com


Document Created: 2011-10-26 13:04:04
Document Modified: 2011-10-26 13:04:04
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