F04J Mobile Phone Cover Letter WiFi_AP_and_AdHoc_mode_for_DFS_band Fujitsu Limited

Fujitsu Limited Mobile Phone

FCC ID Filing: VQK-F04J
Purchase on Amazon: Mobile Phone

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Page 2 of F04J Mobile Phone Cover Letter WiFi_AP_and_AdHoc_mode_for_DFS_band Fujitsu Limited

FUJITSU LIMITED
Mobile Phones Division
4-1-1 Kamikodanaka Nakahara, Kawasaki 211-8588 Japan
Telephone:+81-44-874-0380 Facsimile:+81-44-754-3883

We, FUJITSU LIMITED, declare that the device, FCC ID: VQK-F04J Model Name: F-04J, does not have
“Ad Hoc on non-US frequencies” and/or “on DFS frequencies. Also, the client software and associated
drivers will not initiate any transmission on DFS frequencies without initiation by a master. This includes
restriction on transmissions for beacons and support for ad-hoc peer-to-peer modes.
Below is the channel / frequency plan for the device
CH
10
11
Frequency (MHz) 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462
Scan Type
Active Active Active Active Active Active Active Active Active Active Active
CH
36
38
40
42
44
46
48
Frequency (MHz) 5180
5190
5200
5210
5220
5230
5240
Passive Passive Passive Passive Passive Passive Passive
Scan Type
CH
52
54
56
58
60
62
64
Frequency (MHz) 5260
5270
5280
5290
5300
5310
5320
Passive Passive Passive Passive Passive Passive Passive
Scan Type
CH
100
102
104
106
108
110
112
116
118
120
Frequency (MHz) 5500
5510
5520
5530
5540
5550
5560
5580
5590
5600
Scan Type
Passive Passive Passive Passive Passive Passive Passive Passive Passive Passive
CH
122
124
126
128
132
134
136
140
Frequency (MHz) 5610
5620
5630
5640
5660
5670
5680
5700
Scan Type
Passive Passive Passive Passive Passive Passive Passive Passive
Also, on DFS channels, the WLAN driver in the device operates under the control of an AP at all times,
except when in ad-hoc mode, on US non-DFS channels. The device passively scans DFS frequencies
until a master device is detected. The control of this functionality is not accessible to anyone under any
conditions. Furthermore, the firmware is protected by special signature and CRC checksum. Signature
and CRC checksum will be calculated and verified before firmware upgrade. Unauthorized modification to
firmware will lead the failure of verification thus firmware upgrade is not allowed.
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Document ID3249536
Application IDYcjJeb0foeZqb8IWRKxYpw==
Document DescriptionWiFi_AP_and_AdHoc_mode_for_DFS_band
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeCover Letter(s)
Display FormatAdobe Acrobat PDF - pdf
Filesize12.72kB (158995 bits)
Date Submitted2017-01-06 00:00:00
Date Available2017-01-10 00:00:00
Creation Date2016-12-28 09:23:51
Producing SoftwareiTextSharp 4.1.6 by 1T3XT
Document Lastmod2016-12-28 11:34:37
Document TitleWiFi_AP_and_AdHoc_mode_for_DFS_band

Source Exif Data:
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
Linearized                      : No
Encryption                      : Standard V2.3 (128-bit)
User Access                     : Print, Copy, Extract, Print high-res
Producer                        : iTextSharp 4.1.6 by 1T3XT
Modify Date                     : 2016:12:28 11:34:37+09:00
Create Date                     : 2016:12:28 09:23:51+09:00
PDF Version                     : 1.4
Page Count                      : 2

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