Yealink W57R
Rugged DECT handset with IP54 protection rating
Scratch resistant, disinfectant resistant
1.8'' 128 x 160 TFT color screen with intuitive user interface
HD audio and Flexible Noise Reduction (FNR)
Vibration alarm
Up to 40-hour of talk time
Up to 575-hour of standby time
Keypad backlight and keypad lock
Fully compatible with Yealink W80/W90 MultiCell System for seamless roaming and handover
Voice Features:
Full-duplex speakerphone
HD audio
Hearing Aid Compatibility (HAC) compliant
Frequency response: 100 Hz–7 kHz
FNR (Flexible Noise Reduction)/Noise Cancellation
Receiver volume control: 5 steps
Ringer volume control: 5 steps+off
9 ringer melodies
Multiple advisory tones
Acoustic warning for low battery status
DTMF
DECT:
Frequency bands: 1880–1900 MHz (Europe), 1920–1930 MHz (US)
DECT Range: Up to 50 meters indoor (in ideal conditions), Up to 300 meters outdoor (in ideal conditions)
DECT Standards: CAT-iq2.0
Display:
1.8'' 128 x 160 TFT color screen
Intuitive user interface with icons and soft keys
Caller ID with name and number
Notification Light: voice mail, missed call
Date & time (manual/auto synchronization)
Screen saver
Multilingual user interface
Keypad backlight
Phone Features:
Up to 2 simultaneous calls per handset
Handset select for receiving call
Handset and Number select for making call
Auto intercom, auto answer
3-way conference
Call forward: Always/Busy/No Answer
DND
Call waiting, mute, hold
Call transfer
Swap between calls
Redial
Speed dial
Voice mail
Silence
Dial plan: Replace Rule/Area Code/Block Out
Keypad lock, emergency call
100 phone book memory (store in the base)
Remote phonebook, LDAP, XML phonebook
Phonebook search, block list
Call history: All/Placed/Missed/Received (up to 100 entries)
Direct IP call without SIP proxy
Reset to factory, reboot
Anonymous call, Anonymous call rejection OTA (Over-The-Air) upgrade
Physical Features:
Handset Size: 157 mm x 51 mm x 24 mm
Handset Weight: 183 g
Color: Black
Battery: 1460 mAh, Lithium-ion, 3.7 V, 5.4 WH, Up to 40-hour of talk time (in ideal conditions), Up to 575-hour of standby time (in ideal conditions)
Headset jack (3.5 mm)
Charger: DC 5V/0.6A Output
Power Adapter: - Input: 100-240 V-50/60 Hz, 0.2 A - Output: 5 V, 0.6 A
Backlit keypad with 25 keys: Standard ITU telephone keypad, 12 keys, 4 x 3, with star and pound key, 5 navigation keys (left, right, up, down, OK), 2 softkeys, 6 function keys (Speaker, message, Off-hook, Cancel, TRAN, Mute) - 6 shortcut keys
Operating humidity: 10% to 95%
Operating temperature: - 10°C to +50°C (+14- 122°F)
Storage temperature: - 30°C to +70°C (- 22- 158°F)
