
Appendix C
Useful Information
105
Specification
Please note that all specifications are subject to change without
notice due to product improvements.
Radio Specification:
Wireless standard
IEEE 802.11b/g
Tx Frequency (GHz):
2.412GHz ~ 2.472GHz (Operating band)
Rx Frequency (GHz):
2.412GHz ~ 2.472GHz (Operating band)
Output power
Under 20dBm IEEE 802.11 b/g
Operating range
50m (In office), 200m (Open site)
Transmit data rate
- 802.11b : 1, 2, 5.5, 11Mbps
- 802.11g : 1, 2, 5,5, 6, 9, 11, 12, 18, 24, 36,
48, and 54 Mbps
VoIP protocol
SIP
Codec
G.711(A/U law) / G.729
Wired encryption
TBD (future : IPsec)
Wireless encryption
WEP : Support Disabled, 64bit, 128bit,
WPA-PSK, WPA2-CCMP
Compatible systems
iPECS-LIK Series All(50/100/300/600),
iPECS-CM, iPECS-SBG
Wireless access protocol
CSMA/CA
QoS
IEEE 802.11e
Other
This phone can potentially occur radio
interference while the phone is in use.
WIT-400H implements security and en-
cryption technologies however, privacy
of communications may not be ensured
when using this phone.
Product Specification:
Adaptor input power
AC100~240V, 50/60Hz, 0.2A
Adaptor output power
5.1V 0.7A