Cellular Gateway
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MT-354/358

Specifications

Dual Band or Quad Band GSM Modem: 850, 900, 1800, or 1900mhz
 
8 or 16 RJ-11 interfaces:  PHONE(FXS) and  LINE port(FXO)
 
1 or 2 Antenna Connection(s): SMA plug female (includes antenna and cable(s))
 
4 or 8 SIM Expansion Module
 
Phone Impedance：Below DC 1kΩ，AC 600Ω。(not include line)
 
Phone Ring Output Voltage：45V rms
 
Phone Signal (DTMF) Standard：-3dbm～-24dbm
 
Phone Signal (DTMF)Time：50～100ms
 
DTMF Frequency Rate Error：±1％
 
Feeder Voltage：48V
 
AC Adapter： Input 110V AC，Output 12V DC 1A

GSM Specification ：
 
Transmit power:
Class 4(2W) for EGSM 900
Class 1(1W) for GSM 1800

SIM card reader: External – connected via interface connector
 
Antenna: 50 Ohm antenna coaxial connector
 
Temperature range :
Normal operation: -20c to +55c
Restricted operation:-25c to -20c and +55c to 70c
Storage:-40c to +85c