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Specifications
Specifications
SR 2020 D transmitter
Modulation 2 FSK
RF frequency range 863 – 865 MHz
RF frequency range (US) 926 – 928 MHz
Channels 6 for the Tourguide system,
switchable to 8 for conferences
RF output power 10 mW (ERP)
RF output power (US) max. 50 mV/m (distance 3 m)
AF frequency response 100 Hz–7 kHz
Input voltage range of the audio input Microphone: 1.6 mV
rms
100 mV
rms
Line: 120 mV
rms
–2 V
rms
Headphone output ¼’’ (6.3 mm) jack socket
Output power at headphone output max. 100 mW at 32 Ω
Power supply 12 V DC (10.5 V–16 V)
Current consumption at nominal voltage max. 300 mA
Ambient temperature 0 °C to 50 °C
Humidity
95 %
Dimensions approx. 212 x 145 x 38 mm
Weight approx. 1100 g
NT 2-1-EU/UK mains unit (Cat. No. 087244/087245)
Nominal input voltage 230V AC
Mains frequency 50 Hz/60 Hz
Max. power consumption 9 W
Nominal output voltage 13V DC
Nominal output current 300 mA
Operating temperature range 0 °C to +40 °C
NT 2-1-US mains unit (Cat. No. 087246)
Nominal input voltage 120V AC
Mains frequency 60 Hz
Max. power consumption 9 W
Nominal output voltage 13V DC
Nominal output current 300 mA
Operating temperature range 0°C to +40°C
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