ARIB 8494B, Руководство пользователя, Страница: 18 / 39

ARIB STD-T91
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Figure 3-4 Limit on Secondary Radiated Emissions
(when using frequency from 7.25 GHz to 10.25 GHz)
As an interim measure until December 31, 2008, the following conditions shall apply:
For radio equipment using radio with frequency from 3.4 GHz to 4.8 GHz, those
without an interference mitigation function stipulated in 3.4 (2) shall have the limit on
secondary emissions, etc. as in the table below. (According to ORE, Supplementary
provision (MIC Ordinance No. 105 on August 1, 2006).)
Average power at any 1 MHz bandwidth Frequency band
When using frequency from 3.4 GHz to 4.8 GHz
(without an interference mitigation function
stipulated in 3.4 (2).)
Less than 1,600 MHz -90 dBm or less
From 1,600 MHz to 2,700 MHz -85 dBm or less
From 2,700 MHz to 4.2 GHz -70 dBm or less
From 4.2 GHz to 4.8 GHz -54 dBm or less
From 4.8 GHz to 10.6 GHz -70 dBm or less
From 10.6 GHz to 10.7 GHz -85 dBm or less
From 10.7 GHz to 11.7 GHz -70 dBm or less
From 11.7 GHz to 12.75 GHz -85 dBm or less
More than 12.75 GHz -70 dBm or less
Antenna power density
Frequency [GHz]
Pow
er
densi
ty [
dB
m
/ M
H
z]