Audio
Speakerphone
Microphone mute
Noise reduction
Battery
Battery technology	Lithium-Ion (Li-Ion)
Battery capacity	1010 mAh
Battery voltage	3.7 V
Design
Product type	IP mobile phone
Handset type	Wireless handset
Product colour	Black
Mounting	Desk/Wall
Device lock
Display
Display	TFT
Display diagonal	4.57 cm (1.8")
Display resolution	128 x 160 pixels
Backlight display
Logistics data
Harmonized System (HS) code	85171800
Management features
Keypad number of keys	25
Number of function keys	6
Integrated voicemail
Network
Networking standards	IEEE 802.3af
Bluetooth
DHCP client
Operational conditions
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95%
Storage temperature (T-T)	-30 - 70 °C
Packaging content
AC adapter included
Charger
Performance
Maximum indoor range	50 m
Maximum outdoor range	300 m
Hearing aid compatibility
Phone features
Lines quantity	2 lines
Phonebook capacity	100 entries
Frequency band	1.9 GHz
Call waiting
Speed dialling
Intercom
Call hold
Call forwarding
Conference call
Caller ID
Redialing
Anonymous call rejection
Full duplex
Direct call
Vibrating alert
Call transfer
Message-waiting indicator (MWI)
Call history
Power
AC adapter input voltage	100 - 240 V
Input frequency	50/60 Hz
Input current	0.2 A
AC adapter output voltage	5 V
AC adapter output current	0.6 A
Weight & dimensions
Handset dimensions (WxDxH)	144 x 48 x 21 mm
Package weight	8 kg

Yealink DECT Handset
The Yealink W73H is a stylish, modern, new generation cordless handset designed for business use and features a new ID design that is slimmer and more comfortable to wear and offers better battery life and communication quality. It combines the advantages of wireless communication with the rich business functions of voice over IP telephony, providing the user with convenient wireless communication, excellent voice quality and encrypted call information through reliable DECT encryption technology. Its color graphic display offers you a comfortable and pleasant user experience for all-day work. The W73H is perfectly compatible with the Yealink W70B. The W73P system can support 10 handsets, 10 SIP accounts and 20 simultaneous calls (2 calls per handset). The W73H is perfectly compatible with the W90 multi-cell system, giving you more options for expanding your office.
High performance cordless SIP phone system 4,6 cm ( 1,8 inch ) 128 x 160 TFT color screen with intuitive user interface Up to 20 simultaneous calls - Up to 10 cordless DECT handsets Up to 10 SIP accounts Supports Opus Audio Codec Noise Reduction System FNR (Flexible Noise Reduction )/Noise cancellation Up to 35 hours of talk time (under ideal conditions) Up to 400 hours of standby time (under ideal conditions) Quick charge: 10 minutes of charging time for 2 hours of talk time TLS and SRTP security encryption Headset connection via 3.5 mm jack Charger Can be mounted on the wall