Base station for 5 GHz band wireless access system (1)

Base station for 5 GHz band wireless access system (1)
(Specified radio equipment that the out-band leakage power is 2 µW / MHz or less)
(Item 19-5 of Article 2 paragraph 1 of Certification Ordinance)

Base station for 5 GHz band wireless access system (2)
(Item 19-6 of Article 2 paragraph 1 of Certification Ordinance)

Land mobile relay station for 5 GHz band wireless access system (1)
(Item 19-7 of Article 2 paragraph 1 of Certification Ordinance)

Land mobile relay station for 5 GHz band wireless access system (2)
(Item 19-8 of Article 2 paragraph 1 of Certification Ordinance)

Land mobile station for 5 GHz band wireless access system (1)
(Item 19-9 of Article 2 paragraph 1 of Certification Ordinance)

Land mobile station for 5 GHz band wireless access system (2)
(Item 19-10 of Article 2 paragraph 1 of Certification Ordinance)

Land mobile station for 5 GHz band wireless access system (3)
(Item 19-11 of Article 2 paragraph 1 of Certification Ordinance)

Items

Technical standards

Assigned frequency or designated frequency

4900 - 5000MHz
5030 - 5091MHz

Tolerance of frequency (×10^-6)

Tolerance of occupied bandwidth

20 MHz system: 19.7MHz
10 MHz system: 9.0MHz
5 MHz system: 4.5MHz

Spreading rate (for spread spectrum)

5 or more

Tolerance of unwanted emission intensity

See Attached Table 1.

Antenna power

(1)	250mW or less, and 50mW/MHz or less
(2)	Low-power station : 10mW or less
(3)	OFDM or DS of low-power station : 10mW/MHz or less

Tolerance : +20%, -80%

Signal transmission rate

See Attached Table 2.

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

Adjacent channel leakage power

fs	fs±0.45fs(MHz)	2fs±0.45fs(MHz)
20MHz system	-3dBm or less	-18dBm or less
10MHz system	-6dBm or less	-21dBm or less
5MHz system	-9dBm or less	-24dBm or less

Out-band leakage power :
See Attached Table 3.

Limit of secondary radiated emissions

Below 1GHz : 4nW or less
1GHz or higher : 20nW or Less

Interference prevention function

Shall have the function to transmit or receive identification code automatically.

Carrier sensing function

Automatic cessation of radio wave when exceeding E (mV/m)
E = 100 √(1 / G) ×√(0.16 / (Pt × 20 / n)) (mV/m)
E: Electric field strength
Pt: Antenna power (W)
G: Absolute gain (times)
n: 20, 10 or 5 for 20MHz, 10MHz or 5MHz system respectively

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.

Attached Table 1 : Tolerance of unwanted emission intensity (EIRP)

System bandwidth	Tolerance of unwanted emission intensity (EIRP)
20 MHz system	1) Equipment for 4900 - 5000MHz
	Lower than 4870MHz 4870 to 4880MHz 5020 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less
	2) Equipment for 5030 - 5090MHz
	Lower than 4990MHz 4990 to 5000MHz 5120 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less
10 MHz system	1) Equipment for 4900 - 4950MHz
	Lower than 4870MHz 4870 to 4895MHz 4965 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less
	2) Equipment for 5030 - 5060MHz
	Lower than 4990MHz 4990 to 5015MHz 5075 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less
5 MHz system	1)Equipment for 4900 - 4950MHz
	Lower than 4870MHz 4870 to 4902.5MHz 4957.5 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less
	2) Equipment for 5030 - 5060MHz
	Lower than 4990MHz 4990 to 5022.5MHz 5067.5 through 5270MHz 5270 through 5342MHz Over 5342MHz	2.0µW/MHz or less 2.5µW/MHz or less 2.5µW/MHz or less 0.2µW/MHz or less 1.0µW/MHz or less

Attached Table 2 : Signal Transmission rate

System bandwidth	Transmission rate
20MHz system	4920, 4940, 5040MHz 5Mbps or more 10Mbps or more for radio equipment
20MHz system	4960, 4980, 5060, 5080MHz 10Mbps or more 20Mbps or more for radio equipment
10MHz system	5Mbps or more 10Mbps or more for radio equipment
5MHz system	2.5Mbps or more 5Mbps or more for radio equipment

Attached Table 3: Tolerance of out-band leakage power

Tolerance of out-band leakage power (#1)

20MHz system :

(a)	Equipment for 4900 - 5000MHz 4880 - 4900MHz : 15µW/MHz or less 5000 - 5020MHz : 15µW/MHz or less
(b)	Equipment for 5030 - 5090MHz 5000 - 5020MHz : 30µW/MHz or less 5020 - 5030MHz : 1mW/MHz or less 5091 - 5100MHz : 0.5mW/MHz or less 5100 - 5120MHz : 15µW/MHz or less

10MHz system :

(a)	Equipment for 4900 - 4950MHz 4895 - 4905MHz : 15µW/MHz or less 4955 - 4965MHz : 15µW/MHz or less
(b)	Equipment for 5030 - 5060MHz 5015 - 5025MHz : 30µW/MHz or less 5025 - 5030MHz : 1mW/MHz or less 5065 - 5075MHz : 15µW/MHz or less

5MHz system :

(a)	Equipment for 4900 - 4950MHz 4902.5 - 4907.5MHz : 15µW/MHz or less 4952.5 - 4957.5MHz : 15µW/MHz or less
(b)	Equipment for 5030 - 5060MHz 5022 - 5027.5MHz : 30µW/MHz or less 5027.5 - 5030MHz : 1mW/MHz or less 5062.5 - 5067.5MHz : 15µW/MHz or less

Tolerance of out-band leakage power (#2)

EIRP shall be as follows :

(a)	Equipment for 4900 - 5000MHz 4840±10MHz : 0.2µW or less 4860±10MHz : 0.2µW or less
(b)	Equipment for 5030 - 5091MHz 4960±10MHz : 0.2µW or less 4980±10MHz : 0.2µW or less

APPENDIX

Table : Classification of 5GHz band wireless access system
Item No. of certification ordinance	Category	Brief description
Item 19-5 of Article2 Paragraph 1	Base station (1)	EIRP: 2.0µW or less
Item 19-6 of Article2 Paragraph 1	Base station (2)	EIRP: 0.2µW or less
Item 19-7 of Article2 Paragraph 1	Land mobile relay station (1)	EIRP: 2.0µW or less
Item 19-8 of Article2 Paragraph 1	Land mobile relay station (2)	EIRP: 0.2µW or less
Item 19-9 of Article2 Paragraph 1	Land mobile station (1)	EIRP: 2.0µW or less
Item 19-10 of Article2 Paragraph 1	Land mobile station (2)	EIRP: 0.2µW or less
Item 19-11 of Article2 Paragraph 1	Land mobile station (3)	Antenna Power : 10mW or less