Siemens SIMATIC RF600 Series System Manual page 181

Table 6- 3 Characteristics of the RF650A and RF680A antennas
Characteristics
Material
Frequency band
Impedance
Antenna gain
VSWR (standing wave ratio)
Polarization
Radiating/receiving angle
Connection
Mounting type
Degree of protection
Permissible ambient tempera-
ture
Number of connectable anten-
nas per reader
RF650R
Max. radiated power
RF680R
Max. radiated power
RF685R
Max. radiated power
SIMATIC RF600
System Manual, 10/2016, J31069-D0171-U001-A19-7618
RF650A
Pocan DPCF2200, silicone free
865-868 MHz 902-928 MHz
50 ohms nominal
4 dBi (7 dBic) 3.5 dBi (6.1 dBic)
Max. 1.45
RH circular
Horiz. level: 83° Horiz. level: 90°
Vertic. level: 70° Vertic. level: 76°
4x screws M4 (VESA 100 fastening system)
≤ 1365 mW ERP ≤ 2240 mW EIRP
≤ 2000 mW ERP ≤ 4000 mW EIRP
≤ 2000 mW ERP ≤ 4000 mW EIRP
865-868 MHz
3.5 dBi (6.1 dBic)
RH circular / linear
Horiz. level: 85°
Vertic. level: 80°
RTNC coupling
IP65
-25 ℃ ... +75 ℃
1, 2, 3 or 4 antennas
≤ 1220 mW ERP
1, 2, 3 or 4 antennas
≤ 2000 mW ERP
1 antenna
≤ 2000 mW ERP
Antennas
6.1 Overview
RF680A
902-928 MHz
3.5 dBi (6.1 dBic)
Max. 1.45
Horiz. level: 90°
Vertic. level: 77°
≤ 2000 mW EIRP
≤ 4000 mW EIRP
≤ 4000 mW EIRP
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