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Size Diameter 240 mm, height 77 mm
Weight 1 kg
Colour Charcoal black
Display screen Illuminated graphics (LCD), 128x64
Keypad Alphanumerical 0–9, *, on/R, off, mute, hold, volume up,
volume down, 5 buttons for menu navigation, line mode,
conference guide
Anti-theft protection Kensington security slot
Memory Support for SD memory cards up to 2 GB
Upgrades The Konftel PC Suite upgrades Konftel 300 software via the
USB connection
Connectivity
Analogue telephone connectivity
Modular 6/6 modular (RJ11) to a public analogue telecom-
munication network or an analogue PBX
PC connectivity USB 2.0 Mini B
GSM/DECT connectivity 6/6 DEC
Power supply Transformer 100–240 V AC/14 V DC
Expansion microphones 2 modular 4/4
Auxiliary Modular 4/4 for wireless headset
Audio
Technology OmniSound
®
2.0 Wideband
Microphone Omni-directional
Reception area Up to 30 metres
2
, >10 people
Speakers Frequency band 200–3300 Hz, analogue line
200–7000 Hz, USB VoIP
150–15000 Hz, USB playback
Volume 90 dB SPL 0.5 m
Equalizer Three pitches: soft, neutral, bright
Environment
Temperature 5°–40°C
Relative humidity 20–80% condensation free
Recommended acoustic conditions
Reverberation period: 0.5 S Rt 60
Background noise: 45 dBA
Approvals
Telecommunication TBR21, 47 CFR Part 68/TIA, IC CS-03 Issue 1999/01/01
EMC EN301 489-1,3. EN 300 220-1,2, FCC subparts B and C
Electrical safety UL 60950-1, EN 60950-1:2001
TECHNICAL SPECIFICATIONSTECHNICAL SPECIFICATIONS