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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
Microphone: Omni-directional frequency band 200-3300 Hz, analogue line
200–7000 Hz, USB 150–15000 Hz Playback
Reception area: Up to 30 metres
2
, >10 people
Speakers: Frequency band 200–3300 Hz,
analogue line 200–7000 Hz,
USB 150–15000 Hz Playback
Volume: 90 dB SPL 0.5 m
Equalizer Three pitches: soft, neutral, bright
Memory: Support for SD memory cards up to 2 GB
Anti-theft protection: Kensington security slot
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 telecommuni-
cation 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: modular 4/4
Auxiliary: modular 4/4 for wireless headset
TECHNICAL SPECIFICATIONS
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 SPECIFICATIONS