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139:
Public safety agencies are working with manufacturers and the FCC in order to leverage commercial off-the-shelf (COTS) equipment. As of 2005 there were public safety groups working closely with the manufacturing community, federal interests, and standards bodies to create an 802.11 series standard for public safety.
138:
In the United States, the 4.9 GHz band is reserved for use by public safety wireless applications. The transmission mask is narrower for the public safety band than for consumer part 15 applications. Thus one cannot simply operate 802.11j equipment in the public safety band and be FCC compliant.
88:) Specifications: Operation in Japan" is designed specially for the Japanese market. Finalized in 2004, the standard works in the 4.9–5.0 GHz band to conform to the Japanese rules for radio operation for indoor, outdoor and mobile applications.
598:
91:
802.11j defines uniform methods that let APs move to new frequencies or change channel width for better performance or capacity—for example, to avoid interference with other wireless applications.
94:
Registration is necessary to use this frequency band. Currently the 4900–5000 MHz spectrum is available for use while 5030–5091 MHz spectrum have been revoked.
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band to conform to the
Japanese rules for radio operation for indoor, outdoor and mobile applications. The amendment has been incorporated into the published
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versions to provide wireless connectivity in the home, office and some commercial establishments.
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Please help update this article to reflect recent events or newly available information.
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Get IEEE 802: local and metropolitan area networks standards
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transmission methods. They are commonly used today in their
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IEEE 802.11 variation designed specially for
Japanese market
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standard designed specially for
Japanese market. It allows
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The 802.11j standard "Wireless LAN Medium Access
Control (
269:"Wi-Fi extensions should breathe new life into 802.11a"
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257:"802.11 Standard Modified For Japan"
306:"4.9GHz Cisco wireless aids police"
76:4.9–5.0 GHz operation in Japan
280:Ed Sutherland (December 6, 2004).
14:
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310:Enterprise Networks and Servers
178:活発化する電波／周波数の割り当て（5）：無線LANの最新動向
34:operation in the 4.9–5.0
1:
273:Wireless Watch – The Guardian
223:"The 802.11j-2004 standard"
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1643:IEEE Standards Association
282:"Wi-Fi goes international"
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115:This section needs to be
1648:Category:IEEE standards
26:is an amendment to the
84:) and Physical Layer (
52:standards that govern
292:on November 19, 2005
275:. December 13, 2004.
263:. November 29, 2004.
239:on October 29, 2005.
98:In the United States
54:wireless networking
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731:WiMAX · d · e
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294:. Retrieved
290:the original
286:Wi-Fi Planet
285:
272:
260:
249:the original
234:the original
229:
205:the original
195:
184:
173:
159:IEEE 802.11p
154:IEEE 802.11h
149:IEEE 802.11a
137:
127:January 2021
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116:
93:
90:
79:
48:is a set of
44:
32:wireless LAN
23:
20:802.11j-2004
19:
18:
1669:IEEE 802.11
1210:legacy mode
28:IEEE 802.11
1588:Superseded
659:802 series
296:October 1,
165:References
42:standard.
1463:Bluetooth
1663:Category
1638:See also
1595:754-1985
1552:Proposed
896:Ethernet
382:Revision
143:See also
1579:P1906.1
1440:Wi-Fi 8
1416:Wi-Fi 7
1382:Wi-Fi 6
1331:Wi-Fi 5
1276:Wi-Fi 4
355:Current
117:updated
70:802.11n
66:802.11g
62:802.11b
58:802.11a
24:802.11j
1483:Zigbee
1451:802.15
1191:802.11
429:1149.1
46:802.11
1574:P1823
1569:P1699
1564:P1619
1559:P1363
1341:WiGig
1205:-1997
1196:Wi-Fi
905:-1983
891:802.3
773:802.1
649:42010
644:29148
639:16326
634:16085
629:14764
624:12207
619:11073
237:(PDF)
226:(PDF)
1625:1471
1620:1364
1615:1362
1610:1233
1605:1219
875:LACP
614:2050
609:2030
604:1905
599:1904
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589:1901
584:1900
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559:1801
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439:1164
434:1154
424:1076
419:1016
414:1014
409:1003
298:2005
68:and
50:IEEE
1600:830
1524:.4z
1519:.4g
1514:.4f
1509:.4e
1504:.4d
1499:.4c
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1489:.4a
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668:802
404:896
399:829
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389:854
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372:730
367:693
362:488
86:PHY
82:MAC
36:GHz
22:or
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