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 15 of 53
3 GSM/GPRS Engine
3.1 Operating Frequency
The operating frequencies in GSM, DCS, PCS modes are conform to the GSM specifications.
Mode Freq. TX (MHz) Freq. RX (MHz) Channels (ARFC) TX - RX offset
E-GSM-900
890.0 - 914.8 935.0 - 959.8 0 – 124 45 MHz
880.2 - 889.8 925.2 - 934.8 975 - 1023 45MHz
GSM-850
824.2 - 848.8 869.2 - 893.8 128 - 251 45 MHz
DCS-1800
1710.2 - 1784.8 1805.2 - 1879.8 512 – 885 95 MHz
PCS-1900
1850.2 - 1909.8 1930.2 - 1989.8 512 - 810 80 MHz
3.2 Transmitter output power
GSM–850 / 900
The Telit GE863-PRO
3
modules in GSM–850 / 900 operating mode are of class 4 in accordance with the
specification which determine the nominal 2W peak RF power (+33dBm) on 50 Ohm.
DCS–1800 / PCS–1900
The Telit GE863-PRO
3
modules in DCS–1800/PCS–1900 operating mode are of class 1 in accordance
with the specifications, which determine the nominal 1W peak RF power (+30dBm) on 50 Ohm.
3.3 Reference sensitivity
GSM–850 / 900
The sensitivity of the Telit GE863-PRO
3
modules according to the specifications for the class 4 GSM–
850/900 portable terminals is –107 dBm typical in normal operating conditions.
DCS–1800 / PCS-1900