Dimensions (H*W*D):    90* 40* 15 mm
Weight:    80g
Battery    Rechargeable: Li-ion 3.7V Battery, 550mAh
System Interface:    Mini USB
Keypad:        Total 23Keys, Including a 5-direct key
Display:      A20-1.5 inch 128*128 color LCD

Time:    Talk Time: 3 Hours / Standby Time: 30 hours
Accessories:    Charge Adapter, Earphone , Quick Start Guide

Phone Book:    200 Records
Call History:    Remembers 10 calls each of received,missed or dialed
Display Language:    English/Chinese(Simplified)/Korean
IP Configuration:    Static IP / Dynamic IP (DHCP)
Firmware Upgrade:    Website/USB

Media Access Control:    IEEE802.11b/g
Data Rate:    1-54Mbps
Coverage Range:    Outdoors: 100+m / Indoors: 30+m
Frequency Band:    2.4GHz
Modulation Techniques:    DSSS: CCK (11Mbps, 5.5 Mbps) / DQPSK (2Mbps) / DBPSK(1Mbps)/ OFDM(54Mbps)
Transmit Power:    15dBm
Sensitivity:    <-76dBm@11Mbps
Security:    WEP(64/128 bits) / WPA-PSK/WPA2

Call Control Protocols:    SIP - RFC 3261; STUN
Audio:    G.711, G.729a/b
          AEC/VAD /CNG/JB