Shenzhen LDT Communication Technology Co.,Ltd

• Frequency range: GSM 900 MHz /1800MHz/1900MHz /850/1900MHz• Internal or external antenna • LCD display: large dot matrix LCD • Support Chinese and English SMS  • Support GPRS (optional) • Save the latest 10 missed, 10 received and 10 dialed calls • Built-in Li-ion battery • Talking time- 3hours; Standby time- 48hours • Support network management (NMS)  • Lock phone, lock SIM Card • Selectable volume, selectable ringers  • Prefix number dialing automatically • Call divert, fast dialing • PC Fax (optional) Technical Parameters Frequency range: 900 MHz /1800MHz Industrial module: WAVECOM LCD display: large dot matrix LCD/dialing number/ dialing time/status/time/CID/RSSI signal intensity/ battery grade/short message indicator.  External interfaces: External power socket;  Power supply: AC 90V-240V [详细介绍]