3
Wireless Radio
Standards
IEEE802.11b (11Mbps wireless LAN) (wi-fi)
Protocol
CSMA/CA
Modulation
DBPSK (1Mbps)
DQPSK (2Mbps)
CCK (5.5&11Mbps)
Communications technique
DSSS (Direct Sequence Spread Spectrum)
Frequency band
2.4 ~ 2.497 GHz (14Ch)
Output power
10 mW/MHz max.
Communications distance
Open space
*1
160m (11Mbps)
200m (2Mbps)
Indoors
30m (11Mbps)
40m (2Mbps)
Data rate
1/2/5.5/11 Mbps
Minimum reception
sensitivity
-84dBm@11Mbps(Typ.)
[email protected](Typ.)
-89dBm@2Mbps(Typ.)
-93dBm@1Mbps(Typ.)
Handover
Layer 2 *2
4
Software
Call control protocol
SIP
Audio encoding
G.711 A-Law/ -Law 64kbps
μ
G.729A 8kbps
Network settings
DHCP (client operation only)/manual
NAT(Static)
Priority control
DiffServ DSCP
Security
SSID
WEP key 64/128/256 bits
802.1x (MD5, EAP-TLS)
Operational features
NTP (client operation only)
Syslog (client operation only)
Transmission path
diagnostics function
IP communications testing with Ping command
Firmware upgrade
TFTP (client operation only)
5
Battery
Lithium ion battery
Capacity
3.7V 1350mAH Li-ion
Call time
About 3 hours 10 minutes
Standby time
About 55 hours *3
Battery charging time
About 3 hours
*1 The communications distance can vary with the weather, temperature, etc.
*2 L3 handover is also possible with the AP side specifications.
Hitachi Cable
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