Mercedes-Benz Mercedes-AMG SL Roadster 2021 Owner's Manual page 34

Technology
Rear Seat Entertainment System
Two-way radio (Tel7 telephone control unit)
RAMSES (Router And Mobile SErviceS)
Frequency range
®
Bluetooth :
2400–2483.5 MHz
WLAN 2.4 GHZ:
2400–2483.5 MHz
WLAN 5 GHz:
5150–5250 MHz
5725–5875 MHz
E-GSM (900 MHz)
GSM (1800 MHz)
UMTS (Band I, III, VIII)
LTE (Band 1, 3, 7, 8, 20, 28)
GSM (E-GSM 850 / E-GSM 900, Class 4)
GSM (E-GSM 1800 / E-GSM 1900, Class 4)
UMTS (WCDMA FDD I, II, III, IV, V, VIII, XIX, Class
3)
LTE (FDD B1, B2, B3, B4, B5, B7, B8, B9, B18,
B19, B21, B28, Class 3)
General notes
Transmission output/magnetic field strength
®
Bluetooth :
-0.8 dBm
WLAN 2.4 GHZ:
14.5 dBm
WLAN 5 GHz:
20.5 dBm
13.3 dBm
+33 dBm
+30 dBm
+24 dBm (+1/-3 dB)
+23 dBm (±2 dB)
< +32.5 dBm (±1 dB)
< +29.5 dBm (±1 dB)
< +23.5 dBm (±1 dB)
< +23 dBm (±1 dB)
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