GM862 Product Description
80272ST10019a Rev. 10 – 18/09/2008
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 12 of 60
2.4
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
890.0 - 914.8
935.0 - 959.8
0 – 124
45 MHz
E-GSM-900
880.2 - 889.8
925.2 - 934.8
975 - 1023
45 MHz
GSM-850
824.2 – 848.8
969.2 – 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
2.5
Transmitter output power
GSM–850 / 900
The
Telit GM862
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 GM862
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.
2.6
Reference sensitivity
GSM–850 / 900
The sensitivity of the
Telit GM862
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
The sensitivity of the
Telit GM862
modules according to the specifications for the class 1 portable
terminals DCS-1800 / PCS-1900 is
–106 dBm
typical in normal operating conditions.
