Siemens SIMATIC RF600 Series - Page 206

Antennas
6.1 Overview
SIMATIC RF600
206 System Manual, 11/2018, J31069-D0171-U001-A21-7618
Table 6- 2 Characteristics of the RF640A and RF642A antennas
Characteristics
RF640A
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 to +75 °C
Table 6- 3 Characteristics of the RF650A and RF680A antennas
Characteristics
RF650A
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
4 dBi (7 dBic)
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 to +75 °C