ZTE623 Wireless commercial telephone
*Pronunciation is clear and stable
*The signal instruct and the power source instruct
*.Emergency call
*.The alarm clock
*.Support the indoor and outdoor antenna
*.GPRS modem function
*.Telephone conversation time >3.0hour
*Standby time: >120 hour
*.Screen parameter: 128*64
*.Network frequency: 900-1800M; 850-1900M
*.Battery capacity: Ni-MH 1200mAH