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FCT technical data
GSM AIR INTERFACE
Frequency Bands: Triple-Band E-GSM 900, GSM
1800 and GSM 1900
E-GSM 900
Frequencies: TX 880-915 MHz, RX 925-960 MHz
RF power: Maximum 2 W (33 dBm),
Power class 4
GSM1800
Frequencies: TX 1710-1785 MHz,
RX 1805-1880 MHz
RF power: Maximum 1 W (30 dBm),
Power class 1
GSM1900
Frequencies: TX 1850-1910 MHz,
RX 1930-1990 MHz
RF power: Maximum 1 W (30 dBm),
Power class 1
Data capabilities: multislot GPRS Class B and
HSCSD (Data rates depend on GSM operator services)
Speech codecs: Full Rate, Enhanced Full Rate and
Half Rate
FCT INTERFACES
• Telephones: RJ11 (a/b 2-wire line); fixed telephone
interface
• RS232 port: DB-9 Serial COM interface
• GSM antenna: SMA plug- female (50 ohm)
• SIM card: Small plug-in card, 3V or 5V type
• Input Vdc: 7.5 Vdc; 0.8 A (connector: EIAJ
RC-5320A class 4, male)
TELEPHONE INTERFACES
• Telephones: Speech
• Analog Fax: Group 3 Fax transmission
• Analog Data: V.90, V.34, V.32bis, V.32, V.22bis,
V.22, V.23, V.21, Bell 212A & 103
• CLI: ETSI DTMF and V.23; Bellcore FSK
• Line Impedance: 600 ohm (default)
• Loop Current: 25 mA (off-hook)
• Open loop voltage: 48 V (on-hook)
• Loop resistance: < 650 ohm (off-hook)
• Ringing voltage: 45 Vrms
• Ring Load: 3 REN; up to 3 telephone devices
FCT technical data 37