Rainbow Electronics GT863-PY - Manual (Page 20)

GT863-PY Terminal Product Description
80269ST10026a Rev. 0 - 27/09/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved
page 20 of 50
2.11 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
E-GSM-900
880.2 - 889.8 925.2 - 934.8 975 - 1023
45 MHz
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
2.12 Transmitter output power
GSM–850 / 900
The GT863-PY wireless modem in GSM–850/900 operating mode are class 4 in accordance with
the specification which determine the nominal 2W peak RF power (+33dBm) on 50 Ohm.
DCS–1800 / PCS-1900
The GT863-PY wireless modem 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.
2.13 Reference sensitivity
GSM–850 / 900
The sensitivity of the GT863-PY wireless modem according to the specifications for the class 4
GSM–850/900 portable terminals is –107dBm typical in normal operating conditions.
DCS–1800 / PCS-1900
The sensitivity of the GT863-PY wireless modem according to the specifications for the class 1
portable terminals DCS-1800 / PCS-1900 is –106 dBm typical in normal operating conditions.