S I E M E N S
P T E L T D
ST55 Level 2 Service Manual
Copyright © Siemens Pte Ltd.
Siemens Technical Support Centre
All Rights Reserved
ICM MP CCQ SLI RHQ
4 of 25
Internal Use Only
3
Key Features
Frequency Bands
•
EGSM 900/GSM 1800/GSM 1900
Power
•
EGSM 900 : Power Class 4
•
GSM 1800 : Power Class 1
•
GSM 1900 : Power Class 1
Battery
•
Li-ion Battery Pack
•
Nominal Voltage : 3.7V
•
Nominal Capacity : 780mAh
Stand-by Time
•
Min 140 hrs (actual time depends on the network)
Talk Time
•
Best case : min 3.8 hours (DTX off, GSM 900, PL19)
•
Best case : min 4.5 hours (DTX on 40% GSM 900,Pl19)
(Actual time depends on the network)
Charging
Max charge time for empty battery (0-5% capacity) is 2.5 hrs for
standard charger and via battery charging station.
SIM Card
•
Plug In card 3V
•
SIM application Tool Kit
Class II and III Send USSD command
Message
SMS, EMS, MMS Support
Display
•
Backlight LED – LCD : White
Keypad: Blue
•
LCD: 1.89” TFD module
120 x 160 pixel
16 bit (65536) colours
Camera Sensor
•
Focus Range: 50 cm ~
•
Preview Mode: SUBQCIF 128 x 98
