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Owner’s Manual Rev 1.0 Page 50 of 50
Radio Specifications
Frequency range TT4031 (SE-GM29): EGSM 900 MHz and 1800
MHz (dual band)
Maximum RF output
power
2 W (900 MHz) and 1 W (1800 MHz)
Antenna impedance 50 Ω
Static sensitivity Better than –102 dBm
E-OTD Currently unsupported in TT4031 (SE-GM29)
Audio Specifications
Parameter Limit
Output level (differential) ≥4.0 V
pp
Output level (dynamic load = 32 ) ≥2.8 V
pp
Distortion at 1 kHz and maximum output level ≤ 5 %
Offset, BEARP to BEARN ± 30 mV
Ear-piece mute-switch attenuation ≥40 dB
Ear piece model Impedance Tolerance
Dynamic ear piece [32 Ω+ 800 µH] // 100 pF ± 20 %
Dynamic ear piece [150 Ω+ 800 µH] // 100 pF ± 20 %
Piezo ear piece 1 kΩ+ 60 nF ± 20 %
SIM Card Reader
Voltage type Support for 3 V and 5 V SIM cards
Electrical Connectors and LED
Plug-in power supply
connector
RJ11 6-way
Handset audio connector RJ9 4-way
Antenna connector FME male
RS232 port Sub-D socket, 9 pin
LED Green