Siemens SIMATIC RF600 Series - Technical Data

Antennas
6.5 SIMATIC RF642A
SIMATIC RF600
280 System Manual, 11/2018, J31069-D0171-U001-A21-7618
6.5.7 Technical data
Table 6- 25 Technical specifications for the RF642A antenna
6GT2812-1GA08
Product type designation
SIMATIC RF642A
Radio frequencies
Operating frequency
865 to 928 MHz
Maximum radiated power
• ETSI • RF650R: ≤ 2000 mW ERP
RF680R/RF685R: ≤ 2000 mW ERP
• FCC • RF650R: ≤ 4000 mW EIRP
RF680R/RF685R: ≤ 4000 mW EIRP
• CMIIT • RF650R: ≤ 1900 mW ERP
RF680R/RF685R: ≤ 2000 mW ERP
• ARIB • STD-T107:
RF650R: ≤ 500 mW EIRP
Antenna gain
• ETSI • 6 dBi
• FCC • 7 dBi
Opening angle for sending/receiving when mounted on a metal surface of 15 cm x 15 cm
1)
• ETSI • Horizontal plane: 75°
Vertical plane: 70°
see section "Directional radiation pattern
in the ETSI frequency band (Page 276)"
• FCC • Horizontal plane: 80°
Vertical plane: 70°
see section "Directional radiation pattern
of the RF642A in the FCC frequency band
(Page 278)"
Front-to-back ratio
• ETSI • 10 dB
• FCC • 9.8 dB ± 2.2 dB
Electrical data
Range See section "Maximum read/write ranges of
transponders (Page 341)"
Impedance
50 Ω
Polarization
Linear
VSWR (standing wave ratio)
≤ 1.5
Power
2 W