cnReach N500 User Guide
Legal/Regulatory Information
phn-4673_002v000 (March 2018)
6-16
Minimum safe distances for cnReach at maximum transmitter power
Freq.
Antenna
P(W)
G
S (W/m2)
d (m)
(*1)
(*2)
(*3)
220 MHz
10 dBi Yagi
4.0
8
1.5
1.32
220 MHz
4 dBi Omni
4.0
2
1.5
0.66
450 MHz
10 dBi Yagi
6.4
8
3.0
1.17
450 MHz
4 dBi Omni
6.4
2
3.0
0.58
757 MHz
10 dBi Yagi
8.0
8
5.0
1.00
757 MHz
4 dBi Omni
8.0
2
5.0
0.50
960 MHz
10 dBi Yagi
3.2
8
6.4
0.56
960 MHz
4 dBi Omni
3.2
1
6.4
0.20
915 MHz
10 dBi Yagi
0.8
8
6.4
0.28
915 MHz
4 dBi Omni
0.8
1
6.4
0.10
(*1) P: maximum average transmit power capability of the radio (Watt)
capacité de puissance d'émission moyenne maximale de la radio (Watt)
(*2) G: total transmit gain as a factor, converted from dB, including 0.9 dB cable loss for connectorised
antennas
gain total d'émission, converti à partir de la valeur en dB prenant en compte une perte de 0.9 dB
correspondant aux câbles de connexion nécessaire pour les antennes externs
(*3) d: minimum distance from the antenna (meters)
distance minimale de source ponctuelle (en mètres)
Note
Gain of antenna in dBi = 10*log(G).
The regulations require that the power used for the calculations is the maximum power in
the transmit burst subject to allowance for source-based time-averaging.
Remarque
Gain de l'antenne en dBi = 10*log(G).
Les règlements exigent que la puissance utilisée pour les calculs soit la puissance maximale
de la rafale de transmission soumis à une réduction pour prendre en compte le rapport
cyclique pour les signaux modulés dans le temps.
Содержание cnReach N500
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Страница 17: ...Chapter 1 Product Description cnReach N500 Radio Module ...
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