Technical specifications. Konftel 250
Konftel 250 helps you conduct crystal-clear conference calls with its patented OmniSound® 2.0 audio technology that minimizes background noise and allows you to adjust sound levels. Record your meetings on an SD memory card for later reference. It also boasts expansion microphone capability, a user-friendly conference guide for effortless multi-party calls, and a 2-year warranty for peace of mind.
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TecHnical sPecificaTions
Size
Weight
Colour
Display screen
Keypad
Anti-theft protection
Memory
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
connectivity
Analogue telephone connectivity
Modular 6/6 modular (RJ11) to a public analogue telecommunication network or an analogue PBX
Power supply AC adapter 100–240 V AC/14 V DC
Expansion microphones 2 modular 4/4
audio
Technology
Microphone
Reception area
Speakers
Sound level
Equalizer
OmniSound ® 2.0
Omni-directional
Up to 30 metres 2 , >10 people
Frequency band 200–3300 Hz
90 dB SPL 0.5 m
Three pitches: soft, neutral, bright
environment
Temperature
Relative humidity
5°–40°C
20-80% condensation free
Recommended acoustic conditions
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA
approvals
Telecommunication
EMC
Electrical safety
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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