User's Manual

Page 9 of 187
TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
• 12 ÷ 150Hz –3dB/oct
1.4 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
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
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
NOTE: PCS 1900 is supported only in the Telit GM862-PCS module
1.5 Transmitter output power
GSM–900
The GM862-PCS transceiver module in GSM–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
The GM862-PCS transceiver module in DCS–1800 operating mode are of class 1 in accordance
with the specifications which determine the nominal 1W peak RF power (+30dBm) on 50 Ohm.
PCS–1900
The GM862-PCS transceiver module in 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.
1.6 Reference sensitivity
GSM–900
The sensitivity of the GM862-PCS transceiver module according to the specifications for the class 4
GSM–900 portable terminals is better than –102dBm in all the operational conditions.
DCS–1800
The sensitivity of the GM862-PCS transceiver module according to the specifications for the class 1
portable terminals GSM 1800 is better than –102dBm in normal operating conditions.
PCS–1900
The sensitivity of the GM862-PCS transceiver module according to the specifications for the class 1
portable terminals PCS 1900 is better than –102dBm in normal operating conditions.