5GWLAN

5 GHz band low-power data communication system (1)(5.6GHz band)
(Item 19-3-2 of Article 2 Paragraph 1)

Items

Technical standard

Assigned frequency or designated frequency

5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680, or 5700MHz

Number of channels or channel separation

Tolerance of frequency

20x10^-6

Tolerance of occupied bandwidth

Within 19.7MHz

Tolerance of unwanted emission intensity

(1) Below 5460MHz : 2.5µW / MHz or less
(2) Over 5740MHz : 2.5µW / MHz or less

Antenna power

(1) For OFDM or DS : 10mW / MHz or less
(2) For others : 10mW or less
Tolerance : +50%,-50%

Equivalent isotropically radiated power (EIRP)

(1)	For radio equipment providing a function to reduce the mean antenna power in one communication system by 3dB; 50mW / MHz or less
(2)	For other than above; 25mW /MHz

Tolerance of adjacent channel leakage power and out-band leakage power

Adjacent channel leakage powoer
	In+/-9MHz bandwidth at 20MHz detuning : Lower than carrier level by 25dB or more In+/-9MHz bandwidth at 40MHz detuning : Lower than carreir level by 40dB or more
Out-band leakage power
	From 5460 to below 5470MHz; 12.5uW / MHz or less
	From over 5725 to below 5740 MHz; 12.5uW / MHz or less

Limit of secondary radiated emissions

(1) Below 1GHz : 4nW or less
(2) 1GHz - 10GHz : 20nW or less
(3) 10GHz or higher : 20nW orl ess

Interference prevention function

Shall have a function to transmit or receive identification codes automatically

Carrier sensing function (1)

Shall not transmit radio wave when a receiving signal level is over 100mV/m

Carrier sensing function (3)
(Dynamic frequency selection (DFS))

Refer to the Ordinance Regulating Radio Equipment.

Transmission burst length

4ms or less

Note

DS: Direct spreading
OFDM : Orthogonal frequency division multiplexing

Notice: Regulations in the Ordinance Regulating Radio Equipment shall have priority over the descriptions in the sheet when any difference is found between them. Further above descriptions do not cover all of the regulations.