User's Manual

GM29 INTEGRATOR’S MANUAL
46
LZT 123 7361 R1A
Radio Specifications
Audio Specifications
SIM Card Reader
Electrical Connectors and LED
Frequency range GM29: EGSM 900MHz and 1800MHz (dual band)
Maximum RF output
power
2W (900MHz) and 1W (1800MHz)
Antenna impedance 50Ω
Static sensitivity Better than –102dBm
Parameter Limit
Output level (differential) ≥4.0V
pp
Output level (dynamic load = 32Ω) ≥2.8V
pp
Distortion at 1kHz and maximum output level ≤5%
Offset, BEARP to BEARN ±30mV
Ear-piece mute-switch attenuation ≥40dB
Ear piece model Impedance Tolerance
Dynamic ear piece [32Ω + 800µH] // 100pF ±20%
Dynamic ear piece [150Ω + 800µH] // 100pF ±20%
Piezo ear piece 1kΩ + 60nF ±20%
Voltage type Support for 3 V and 5 V SIM cards
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