Diehl CORONA E Guide D'installation page 29

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5.5 Wireless meter (CORONA ER)
The meter has an integrated unidirectional radio trans-
mitter, via which the OMS or Real Data radio protocol is
transmitted according to EN 13757.
ƒ
Transmission frequency:
–
868 MHz, transmission power (EN 300 220-2
V3.2.1): 25mW e.r.p.
Distance during reading
Installation location
Cellar of a building
Installation duct or meter box
of a house
Open air
As with any other wireless device, the maximum
read distance can be affected by surrounding
obstacles or the local topography.
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For correct configuration, the optical
head must be placed on the optical
interface.
We recommend the Bluetooth optical
head IZAR OH BT for configuration.
Typical distance
25 m
30 m
300 m
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