ITS Telecom CGW-D, Installation And Operation Manual, Page: 56 / 59

CGW-D
5-1
5.
5.1 CGW-D for GSM Network
Model CGW-D GSM Gateway
GSM Network Type GSM Phase II
GSM Module Integrated dual-band (900/1800, 850/1900 MHz)
SIM card Plug-in, 3V, small
Transmission Power Max. 2W / 900MHz
Max. 2W / 850MHz
Max. 1W / 1800MHz
Max. 1W / 1900MHz
Receiver sensitivity -104 dBm
Connectors RJ-11 (Trunk) – to analog trunk interface to PBX or
home phone
RJ-11 (PSTN) – to analog trunk interface of PSTN
or to PSTN subscriber line – home phone
configuration only (CGW-D only)
Power Supply
SMA female - Antenna
Off-hook AC impedance 600 Ω
On-hook line voltage 48VDC
Off-hook line current Maximum 25mA
Off-hook loop resistance
threshold
800 Ω
Dial tone frequency 400Hz
Ringing voltage 48Vrms, 25Hz
Supported dialing type DTMF
Antenna 50 Ω Impedance, connected via SMA connector
frequency 800 - 2000MHz
Antenna cable length 3m
Chapter 5: Technical Specification