Technical Specifications - Konftel 250 User Manual

Size
Weight
Colour
Display screen
Keypad
Anti-theft protection
Memory
connectivity
Analogue telephone connectivity
Power supply
Expansion microphones
audio
Technology
Microphone
Reception area
Speakers
Sound level
Equalizer
environment
Temperature
Relative humidity
Recommended acoustic conditions
approvals
Telecommunication
EMC
Electrical safety

TecHnical sPecificaTions

Diameter 240 mm, height 77 mm
1 kg
Charcoal black
Illuminated graphics (LCD), 128x64
Alphanumerical 0–9, *, off hook/F, on hook, mute, hold,
volume up, volume down, 5 buttons for menu navigation,
phone book, conference guide
Kensington security slot
Support for SD memory cards up to 2 GB
Modular 6/6 modular (RJ11) to a public analogue telecom-
munication network or an analogue PBX
AC adapter 100–240 V AC/14 V DC
2 modular 4/4
OmniSound 2.0
®
Omni-directional
Up to 30 metres , >10 people
2
Frequency band 200–3300 Hz
90 dB SPL 0.5 m
Three pitches: soft, neutral, bright
5°–40°C
20-80% condensation free
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA
TBR21, 47 CFR Part 68/TIA, IC CS-03 Issue 1999/01/01
EN301 489-1,3. EN 300 220-1,2, FCC subparts B and C
UL 60950-1, EN 60950-1:2001
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