95
DT290
Reference
Performance
Battery
NiMH, 500 to 1000 charge cycles
Standby time
up to 140 hours
Call time
up to 17 hours
Charge time
4 hours maximum
Volume
Ring signal
Seven step adjustable volume from off to
86 dB (A) at 30 cm
Earpiece
Nine step adjustable
Ringing signals (defaults)
External call
0.4 s on, 0.2 s off, 0.4 s on, 5 s off
Internal call
1 s on, 5 s off
Call-back
0.32 s on, 0.2 s off
Phone Book
Maximum name length
12 characters
Maximum number length 24 digits
Entries
100
External interfaces
Radio connection
DECT GAP/CAP, 1880-1900 MHz, up to
250 mW radiated power during 1 of the
24 time slots
User interface
Display with two lines of 12 alphanumeric
characters and one line of 7 icons, keys
with text, volume keys on the side
Accessory connector
For battery charging
Features
Menu controlled, predial, difference between internal and external
calls, Phone Book, caller identification (if provided), Call List (20
numbers), illuminated display, temporarily transmit long DTMF
tones, security with PIN code, keys can be locked automatically,
access to up to 8 DECT GAP/CAP telephone systems, key click on/
off, battery meter, call duration indication, hands-free speaking,
vibrating alert, direct access to the message system (Message key)