User Manual

11. TECHNICAL DATA
50
LZ T 123 7605 P1C
Data Storage
Power Supply
Radio Specifications
Audio Specifications
SMS storage capacity 40 in the module
In addition, the unit can handle as many SMS
as the SIM can store
Phone book capacity 100
Supply voltage range 5 to 32V d.c.
Frequency bands GT47: EGSM 900 and GSM 1800 (dual band)
GT48: GSM 850 and GSM 1900 (dual band)
Maximum RF output
power
2W (EGSM 900/GSM 1800)
1W (GSM 850/GSM 1900)
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%