Yokogawa YFGW710 - Manual (Page 60)

<A4. Field Wireless Network>
A4-1
IM 01W01F01-01EN
A4. Field Wireless Network
A4.1 Wireless Communication Ranges
The range of wireless communication for each field wireless device and YFGW710 is a toroidal
region having a fan-shaped section spreading 45 degrees vertically above and below from the
center of each device’s antenna and within the range of vision from the antenna.
Standard Antenna
L max
Vertical Range
Antenna
45°
45°
Horizontal Range
FA0401.ai
Fig. B 4-1 Wireless Communication Ranges
Table B 4-1 Wireless Communication Ranges
Location RF Output (Max.)
Maximum Communication Range (Lmax)
Standard Antenna
Outdoor 10 mW (11.6 dBm) 500 m
Indoor 10 mW (11.6 dBm) 100 m
IMPORTANT
The maximum communication range is the value in the ideal condition, having a good prospect
between wireless devices and existing no obstacle in the wireless transmission route.
The communication distance varies depending on the mounting conditions and environment.