Alcatel-Lucent OmniTouch 4135 IP Installation And Administration page 62

TECHNICAL DATA
Sound
Technology
Microphone
Reception area
Speaker
Volume
Environment
Temperature:
Relative humidity:
Recommended acoustic conditions:
Approvals
60
®
OmniSound™ 2.0 Wideband
Omni-directional
Up to 30 metres 2 , >10 people
Frequency band 200–7000 Hz,
90 dB SPL 0.5 m
5°–40°C
20-80% condensation free
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA
ANSI/UL 60950-1-2002,
CAN/CSA-C22.2, No. 60950-1-03
FCC Part 15 subpart B class A,
FCC Part 15 subpart C,
RoHS