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3.2. Electronic specifications
Tx unit
GSM:
Item
Description
Marks
Frequency band
GSM: 880~ 915MHz
DCS: 1710-1785MHz
Output power
GSM: 33
±
2dBm
DCS: 29
±
2dBm
Channel bandwidth
200kHz
Modulation
GMSK/QPSK
CDMA:
Item
Description
Marks
Frequency band
Tx:824 ~ 849MHz
Output power
23
±
2dBm Max
Channel bandwidth
1.23MHz
Modulation
OQPSK
Rx unit
GSM:
Item
Description
Marks
Frequency band
GSM: 925~ 960MHz
DCS: 1805-1880MHz
Receiver sensitivity
–102dBm (Class II
FER<2.44%)
Phase Error Peak
-20
°
-- +20
°
Phase Error RMS
≤
5
°
Frequency Error
GSM: ±90Hz
DCS: ±180Hz