ELECTROMAGNETIC ENVIRONMENT GUIDANCE
RATED MAXIMUM OUTPUT
POWER OF TRANSMITTER [W]
WORKING CLEARANCE ACCORDING TO TRANSMISSION FREQUENCY [M]
WORKING CLEARANCES
The Gemini 810 + 980 diode laser is intended for operation in an electromagnetic environment
where radiated HF interference is checked. The customer or the user of the Gemini laser can help
prevent electromagnetic interference by duly observing the minimum distances between portable
and/or mobile RF communication devices (transmitters) and the Gemini laser unit. These values
may vary according to the output power of the relevant communication device as specified below.
For transmitters whose maximum nominal output is not specified in the above table, the
recommended working clearance d in meters (m) can be determined using the equation in
the corresponding column, where P is the maximum nominal output of the transmitter in watts (W)
specified by the transmitter manufacturer.
Remark 1: The higher frequency range applies at 80 MHz and 800 MHz.
Remark 2: These guidelines may not be applicable in all cases. The propagation of electromagnetic
waves is influenced by their absorption and reflection by buildings, objects and persons.
150 KHZ TO 80 MHZ
d= [1.2] √P
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
d= [1.2] √P
d= [2.3] √P
80 MHZ TO 800 MHZ
800 MHZ TO 2.5 GHZ
48
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