Hitachi TD61-2472A GPS Receiver User Manual


 
User's Manual
Hitachi Cable 84/84
Minimum reception
sensitivity
-84dBm@11Mbps(Typ.)
-88dBm@5.5Mbps(Typ.)
-89dBm@2Mbps(Typ.)
-93dBm@1Mbps(Typ.)
Handover Layer 2 *3
Call control protocol SIP
Audio encoding G.711 A-Law/μ-Law 64kbps
G.729A 8kbps
Network settings DHCP (client operation only)/manual
NAT(Static), UPnP, STUN
Priority control DiffServ DSCP
Security SSID
WEP key 64/128/256 bits
802.1x (MD5, EAP-TLS
EAP-TTLS
EAP-PEAP)
Web Certification
Operational features NTP (client operation only)
Syslog (client operation only)
Transmission path
diagnostics function
IP communications testing with Ping command
4 Software
(v.2.0.0)
Firmware upgrade TFTP (client operation only)
Capacity 3.7V 1350mAH Li-ion
Call time About 3 hours 10 minutes *4
Standby time About 55 hours *4 *5
Lithium ion battery
Battery charging time About 3 hours
Capacity 3.7V 950mAH Li-ion
Call time About 2 hours 20 minutes *4
Standby time About 35 hours *4 *5
5 Battery
Small Battery
*1
Battery charging time About 2 hours
*1 Small Battery sold separately
*2 The communications distance can vary with the weather, temperature, etc.
*3 L3 handover is also possible with the AP side specifications.
*4 The communication and standby times may decrease due to the settings of the environment conditions
and functions of the charge, temperature, and electromagnetic wave conditions
*5 Power save mode settings