DFS Cover Letter Justification

FCC ID: C3K1868

Attestation Statements

Download: PDF
FCCID_4449531

Cover Letter for Leveraging DFS conducted test data between Models 1867, 1868
and 1872



Models 1867, 1868, 1872 are electrically and RF equivalent as they share the same
motherboard, radio module and on-board radio circuit. The only difference is the antenna and
the matching components after the RF port.

DFS conducted testing is performed on model 1868 (FCC ID: C3K1868, IC: 3048A-1868) and the
data is leveraged for models 1867 (FCC ID: C3K1867, IC: 3048A-1867) and 1872 (FCC ID:
C3K1872, IC: 3048A-1872). The three devices are DFS client devices and use the same radio
module with the same set of baseline radio firmware and drivers. Even though the final
firmware/driver versions may be different between the three models, this does not affect the
response of the client devices to the master device clear channel announcements.




Signed:




Chaitrali Limaye

Compliance Engineer

Microsoft




Microsoft Corporation is an equal opportunity employer.



Document Created: 2019-09-09 16:27:13
Document Modified: 2019-09-09 16:27:13

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