GSM-TIT-300
        Features:
- Based on GSM900MHz/1800MHz
 - Siemens TC35i GSM module
 - Support reverse polarity
 - Connect to PBX
 - Support fax
 - Support GPRS
 
Main Functions:
- Suitable for GSM 900/1800MHz, using SIM card
 - Connect with telephones to make and answer calls
 - Support Fax
 - Support GPRS
 - Detect called party answer, and provide exact polarity reversal signal for charging
 - Caller ID
 - Dialer function inside, programmable call routing (such as you can set 193 or 17911 IP phone when launching long distance call)
 - Provide an integrated telephone tone
 - Support redialing and hands-free
 - Available to wireless signal indicator
 - Setting up and modification of parameters through the phone set or PC
 - Double security by phone password and PIN code
 
Technique Parameters:
- 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: AC220V/DC12~24V
 

