Siemens SIMATIC RF610T ATEX - Page 232

Antennas
6.1 Overview
SIMATIC RF600
232 System Manual, 06/2019, J31069-D0171-U001-A22-7618
Table 6- 2 Characteristics of the RF640A and RF642A antennas
C
Characteristics
R
RF640A
R
RF642A
Material
PA 12, silicone-free
Frequency range 865-868 MHz 902-928 MHz 865-868 MHz 902-928 MHz
Impedance
50 ohms nominal
Antenna gain 4 dBi (7 dBic) 4.3 dBi (7.3 dBic) 6 dBi 7 dBi
VSWR (standing wave ratio)
Max. 1.25
Max. 1.6
Max. 1.4
Polarization
RH circular
Linear
Radiating/receiving angle
Horiz. plane: 80°
Horiz. plane: 75°
Horiz. plane: 75°
Horiz. plane: 80°
Vertic. plane: 75°
Vertic. plane: 85°
Vertic. plane: 70°
Vertic. plane: 70°
Connector
RP-TNC coupling
Mounting type
4x screws M4 (VESA 100 fastening system)
Degree of protection
IP65
Permissible
ambient temperature
-25 °C ... +75 °C
Table 6- 3 Characteristics of the RF650A and RF680A antennas
C
Characteristics
R
RF650A
R
RF680A
Material
Pocan DPCF2200, silicone free
Frequency range
865-868 MHz
902-928 MHz
865-868 MHz
902-928 MHz
Impedance
50 ohms nominal
Antenna gain
4dBi (7dBic)
3.5 dBi (6.5 dBic)
3.5 dBi (6.5 dBic)
3.5 dBi (6.5 dBic)
VSWR (standing wave ratio)
Max. 1.45
Max. 1.45
Polarization
RH circular
RH circular / linear
Radiating/receiving angle
Horiz. plane: 83°
Horiz. plane: 90°
Horiz. plane: 85°
Horiz. plane: 90°
Vertic. plane: 70°
Vertic. plane: 76°
Vertic. plane: 80°
Vertic. plane: 77°
Connector RP-TNC coupling
Mounting type
4x screws M4 (VESA 100 fastening system)
Degree of protection
IP65
Permissible
ambient temperature
-25 °C ... +75 °C