Sercel Inc 0500A 사용자 설명서
Rev 30-2015
Page 18
Europe:
Conforms to the essential requirements of the following EEC directives:
R&TTE 1999/5/CE
EMC 2004/108/CE
LV 2006/95/CE
Conforms to the essential requirements of the following EEC directives:
R&TTE 1999/5/CE
EMC 2004/108/CE
LV 2006/95/CE
WARNING
The WTU-518 is a class-A device. In residential areas, the user may be requested to take appropriate
measures in the event of RF interference caused by this device.
measures in the event of RF interference caused by this device.
WARNING
The WTU-518 meets the reference level set by the 1999/519/CE recommendation:
Electric field strength in the far field of a radio frequency point source is calculated as follows:
Electric field strength in the far field of a radio frequency point source is calculated as follows:
𝐸 =
√30 ∗ 𝑃 ∗ 𝐺
𝑑
With: E = Electric filed in V/m
P = Maximum average transmit power capability of the radio, in W
G = total Tx gain as a factor, converted from dB
D = distance from the point source, in m
band
P*G
E at 20cm
E limit
(1)
WLAN 2.4GHz emission only
(2)
0.08W (+19dBm)
7.7V/m
61V/m
Proprietary radio 2.4GHz emission
+ WLAN 5GHz emission
0.02W (+13dBm)
+0.032W (+15dBm)
6.2V/m
61V/m
(1)
reference level of the table 2 of the 1999/519/CE
(2)
WLAN 2.4GHz emission and proprietary radio 2.4GHz emission can not happen simultaneously