Product Specifications
Dimensions Diameter: 240mm
Height: 77mm
Weight 1kg
Colour Black
Anti-theft protection Kensington® security slot
User Interface
Display Backlit monochrome LCD, 128 x 64 pixels
Keypad Alphanumeric 0–9, call/R, end call, mute, hold, volume up, volume down, 5 buttons for menu navigation, line mode, conference guide
Menu languages Danish, Dutch, English, Finnish, French, German, Italian, Norwegian, Polish, Russian, Spanish, Swedish, Turkish
Phonebook 200 contacts
Conference guide 20 groups
Power Supply
Battery 5200mAh, up to 60 hours of call time/270 hours standby
AC adapter 100V-240V AC/14V DC
Konftel analog DECT base AC adapter: 100V-240V AC/5V DC
Audio
Technology OmniSound® with support for HD audio, full duplex, automatic echo cancellation and noise suppression
Microphone Omnidirectional 360˚
Reception area Up to 12 people (30m²). With expansion microphones, up to 20 people (70m²)
Frequency 2G 200–3300Hz, 3G 200–7000Hz, USB 200–7000Hz
Volume Max 90db SPL 0.5m
Equalizer Dark, neutral, bright
Environment 
Temperature 5°C ~ 40°C
Relative humidity 20% ~ 80% condensation-free
Approvals 
Security EN 60950-1:2006/A1:2010. EN 60950-1:2006/A12:2011. EN 60950-1:2006/A2:2013. IEC 60950-1:2005/A1:2009/A2:2013.
EMC EN 301 489-01 (V1.9.2). EN 301 489-06 (V1.3.1). EN 62311
Radio EN 301406 V2.1.1.
TV ES 203021/TBR 21 (analogue)