28
Size Diameter 240 mm, height 77 mm
Weight 1 kg
Colour Liquo rice black
Display screen Illuminated graphics (LCD), 128x64
Keypad Alphanumerical 0–9, *, off hook, on hook, 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
SIM card Mini-SIM
Upgrades The Konftel Upgrade utility upgrades Konftel 300M software
via the USB connection

Connectivity

Cellular network U.S. version (840101070),
2G: GSM 850/900/1800/1900
3G: UMTS 850/1900
Europe an ver sion (91010107 0),
2G: GSM 850/900/1800
3G: UMTS 900/2100
Computer USB 2.0 Mini B
Power supply Battery: Emerging Power Li 18S, 7.2 V 5200 mAh Lithium ion
Konftel charging cradle
Expansion microphones 2 modular 4/4

Konftel charging station

AC adapter Model S024EM1400150
100–240 V AC / 14 V DC, 1.5 A, charging 8,4 V 0,75 A

Audio

Technology OmniSound® HD
Microphone Omni-directional
Reception area Up to 30 metres2, >10 people
Speaker, frequency band 200– 3300 Hz, mobile 2G/3G
200–7000 Hz, USB VoIP
Volume 90 dB SPL 0.5 m
Equalizer Three pitches: soft, neutral, bright
TECHNICAL SPECIFICATIONS