1.Description and Function
    1) Suitable for GSM 900/1800MHz, using SIMcard 
    2) Connect with telephones to make and answercalls 
    3) Support Fax, Send/receive faxes throughconnecting to fax machine  
    4) Provide exact polarity reversal signal forcharging.
    5) Display caller ID
    6)  Dialer function inside, programmablecall routing, such as you can set 19389 or 17911 IP phone whenlaunching long distance call
    7) Support the functions of redialing and handsfree       
    8)Can proceed with setting up and modificationof parameters through the phone set.
    9)Double security by phone password and PINcode
    10) Available to connect with backup battery,and the stand-        by timecan reach 24 hours in case when the power is cut off

Working Frequency:
Rx(EGSM 900): 925~960MHz
Tx(EGSM 900): 800~915MHz
Rx(DCS 1800) : 1805~1880MHz
Tx(DCS 1800) : 1710~1785MHz
Antenna Plus: >3dB
Emission Power: 2W
Receiving Sensitivity: GSM900: <-117dB
Working Voltage: AC100V~220V/DC12~24V

3. PACKING
1) 1PC/white box or color box or customer artwork 
2) 10PCS/CTN