GSM Desktop Phone(Duad band 850/900/1800/900mhz)

1,Employ original industrial module to make,900/1800Mhz,850/1900Mhz optional

2,Multi-lingual can be selectable(English/Spanish/French etc.);

3,Support SMS &Voice Funciton;

4,Phonebook,store up to 99 entries;

5,Easy to install and easy to maintain;

6,Built-in back up Li-ion battery 48 hours standby/3 hours talk;

7,Other Nokia mobile phones functions;

8,Clear voice &no noise;

9,Caller ID, 10 received/10 dialed/10 missed records;

10,Multiple chord ringer/alarm choice;

11,Authentic signal,battery volume,realtime indicator;

12,Strong signal by high gain antenna(3.5db-5db);

13,IP pre-setting for save call cost;

14,Wide-range voltage and low power consumption;

15,Sim card locked (optional);

16,Like ordinary hardwire-line telephone operation method

SPECIFICATIONS
1.Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
Frequency ranges:
 A) GSM 850                                   GSM 1900:
 I) Transmission: 869.2 ~ 893.8MHz      I) Transmission: 1, 930 ~ 1, 990MHz
 Ii) Reception: 824.2 ~ 848.2MHz         Ii) Reception: 1, 850 ~ 1, 910MHz
 B) GSM 900:                                  GSM 1800:
 I) Transmission: 890 ~ 915MHz           I) Transmission: 1, 710 ~ 1, 785MHz             
 Ii) Reception: 935 ~ 960MHz              Ii) Reception: 1, 805 ~ 1, 880MHz3.Channel Space: 200KHz