User friendly menu, high quality colour screen, wideband audio and elegant design
- HD audio support (G.722)
- 1,44’’ TFT display, 128 x 128
- Polyphonic ringtones
- Local phonebook
- Central phonebook support
- Headset connector, 3.5mm
- Firmware upgradable over-the-air
- Wideband speakerphone
Audio
- G722 codec for HD audio
- G726 codec for standard audio
- HD audio speakerphone
- HAC compliant
- 1,44’’
- 128 x 128 pixels
- 64k colour
- 21 keys total
- 2 soft keys
- 5-way navigation key
- ON- and OFF-hook keys
- Key lock and auto key lock
- 3.5mm, Iphone compliant
- Frequency bands: 1880 - 1900MHz (EU) 1910 – 1930MHz (LATAM) 1920 – 1930MHz (US)
- Power levels: 4
- One antenna
- Encryption supported
- 1 system registration
- 5 ringer melodies, 6 levels
- Silent ringer
- Volume control
- Alerting volume, adjustable (low battery, low coverage)
- Call list with 20 entries (All, received, outgoing, missed)
- Redial from call list
- Speed dial
- Central phonebook support (one LDAP server)
- Local phonebook with 50 entries (1 number/name)
- Date and time in Idle display
- DND support
- CFU/CFB/CFx support
- Call waiting, Conference call
- Size: 41 x 135 x 25mm
- Weight: 108g including batteries
- Talk time: 8h(NB), 7h(WB)
- Standby time: 75hours
- Battery type: 2 AAA NiMh, 600mAh
- Range: Indoor: 50m
- IP20 housing
- Operating conditions: 0-40 degrees
- Drop height: 1m
- Keypad lifetime: 40.000 presses
- Keypad abrasion: Standard
- Charge time: 10 hours
- EU/US/AUS/UK plugs supported
- Table charging cradle
- Radio: EN 301 406 • EMC: EN 301 489-1 EN 301 489-6
- Safety: EN 60950-1 • FCC part 15
Karel DE255 Datasheet [.pdf]
