Radio Specifications

Frequency range

TT4031 (SE-GM29): EGSM 900 MHz and 1800

 

MHz (dual band)

Maximum RF output

2 W (900 MHz) and 1 W (1800 MHz)

power

 

 

 

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 Vpp

 

 

 

Output level (dynamic load = 32 ￿)

≥2.8 Vpp

 

 

 

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

RJ11 6-way

connector

 

 

 

Handset audio connector

RJ9 4-way

 

 

Antenna connector

FME male

 

 

RS232 port

Sub-D socket, 9 pin

 

 

LED

Green

 

 

Owner’s Manual

Rev 1.0

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