Features:
Based on GSM900MHz/1800MHz
SIEMENS TC35i GSM module
Support reverse polarity
Connect to PBX
Support fax
Support GPRS

Main Functions:
Suitable for GSM 850/900/1800/1900MHz, 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

Technical Parameter
Working Frequency: 900/1800Mhz or 850/1900Mhz or 850/900/1800/1900Mhz
Phone interface: DTMF line interface(RJ11 Phone Interface)
On-hook Voltage: 45V
Off-hook current 30mA/41mA
Dialing tone frequency: 450Hz
Antenna Plus: >3dB
Emission Power: 2W
Receiving Sensitivity: GSM900: <-117dB
Working Voltage: AC220V/DC12~48V

Working Environment:
Operation temperature: -20íµí½ 60íµ
Operation humidity: 45% í½95%
Atmosphere pressure: 86 í½106
Environment noise: ú+60dB