Siemens SIMATIC RF300 System Manual page 63

Reduction of field data: Transponder and RF350R reader with ANT30
Table 4-10
Transponder
RF320T
Without metal
On metal; distance 20 mm
Flush-mounted in metal; distance all-round
20 mm
RF340T
Without metal
on metal
Flush-mounted in metal;
distance all-round 20 mm
RF350T
Without metal
on metal
Flush-mounted in metal;
distance all-round 20 mm
RF360T
Without metal
On metal; distance 20 mm
Flush-mounted in metal;
distance all-round 20 mm
SIMATIC RF300
System Manual, 09/2007, J31069 D0166-U001-A5-7618
Reduction of field data by metal (in %): Transponder and RF350R with ANT30
4.4 Installation guidelines
Mounting the antenna
Without metal
100
100
100
100
80
70
100
70
65
combination not permitted
RF300 system planning
flush-mounted
in metal
(20 mm surround;
20 mm deep)
80
80
80
80
65
60
80
60
55
63