Antennas; Overview - Siemens SIMATIC RF600 System Manual

Antennas

6.1

Overview

The following table shows the most important features of the RF600 antennas at a glance:
Table 6- 1 Characteristics of the RF615A, RF620A and RF660A antennas
Characteristics
Material
Frequency range
Impedance
Antenna gain
VSWR (standing wave ratio)
Polarization
Radiating/receiving angle
Connector
Mounting type
Degree of protection
Permissible
ambient temperature
Lowest values apply when mounted on non-metallic surfaces; the higher values apply when mounted on metallic sur-
1)
faces.
SIMATIC RF600
System Manual, 06/2019, J31069-D0171-U001-A22-7618
RF615A
PA 6, silicone-free
865-868 902-928
MHz MHz
-13 ... -5 dBi
1)
Depending on the mounting surface
2 x M4 screws
IP67
(IP rating is not investigated
by UL)
-20 °C ... +70 °C
RF620A
PA 12, silicone-free
865-868 902-928
MHz MHz
50 ohms nominal
-10 ... -5 dBi
1)
2:1 max.
Linear
RP-TNC coupling
2 x M5 screws
6
RF660A
865-868 902-928
MHz MHz
7 dBi 6 dBi
RH circular
55° - 60° 60° - 75°
4x screws M4
(VESA 100 fastening sys-
tem)
IP67
-25 °C ... +75 °C
231