User Manual

GE863-PRO
3
Product Description
80285ST10036a Rev. 1 DRAFT- 24/04/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 16 of 53
The sensitivity of the Telit GE863-PRO
3
modules according to the specifications for the class 1 portable
terminals DCS-1800 / PCS-1900 is –106 dBm typical in normal operating conditions.
3.4 Antenna
3.4.1 GSM Antenna
The antenna that the customer chooses to use, should fulfill the following requirements:
Frequency range
Depending by frequency band(s) provided by the network operator,
the customer shall use the most suitable antenna for that/those
band(s).
Bandwidth
70 MHz in GSM 850, 80 MHz in GSM 900, 170 MHz in DCS, 140 MHz
PCS band
For further information please refer to the GE863-PRO
3
Hardware User Guide.
3.5 Supply voltage
The external power supply must be connected to VBATT signal pin (see Hardware User Guide) and
must fulfill the following requirements:
Nominal operating voltage
3.8 V
Operating voltage range
3.4 V – 4.2 V
Absolute Minimum voltage
3.30V
Absolute Maximum voltage
4.50 V
NOTE: Operating voltage range must never be exceeded; care must be taken in order to fulfill
absolute min/max voltage requirements.
3.6 Power consumption
The typical current consumption of the GSM/GPRS part of the Telit GE863-PRO
3
module is:
Power off current (typical)
< 28 µA;
Stand–by current (GSM Idle)
< 17 mA (< 4 mA using command AT+CFUN)
Operating current in voice channel
< 200 mA @ worst network conditions
Operating current in GPRS class 10
< 370 mA @ worst network conditions