Siemens SIMATIC RF300 System Manual page 219

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Mounting on/in metal

The antenna ANT 3S can be flush-mounted in metal. Allow for a possible reduction in the field

data. During installation, maintain the minimum distance a on/flush with the metal.

Reduction of range if the metal-free space is not maintained

At a value lower than a, the field data changes significantly, resulting in a reduction in the limit

distance and operating distance. Therefore, maintain the minimum distance a on/flush with the

metal during installation.

SIMATIC RF300

System Manual, 02/2021, C79000-G8976-C345-09

ANT 3S mounted on metal

ANT 3S flush-mounted in metal