GeoTrack Speedy User Manual
CONFIDENTIAL
11 Page
Version 0.1A
Item
Specification
Transmission rates: 2.4, 4.8, 9.6, 14.4kbps, V.110
Data – CSD
USSD support
Point-to-point MT and MO
SMS Cell broadcast
SMS
Text and PDU mode
FAX
Group 3: Class 1, Class 2
SIM interface
Support SIM card: 3V
Triple rate codec for HR, FR and EFR
Adaptive multi-rate AMR
Echo cancellation
Audio
Noise reduction
3.3 GSM/GPRS Air Interface Specification (Test Temperature: 25
℃
)
Item
Min
Typ
Max
Unit
GSM 850
3)
824 849
MHz
EGSM 900
4)
880 915
MHz
GSM
1800
1710 1785
MHz
Frequency Range
Uplink (MS -> BTS)
GSM
1900
1850 1910
MHz
GSM 850
3)
869 894
MHz
EGSM 900
4)
925 960
MHz
GSM
1800
1805 1880
MHz
Frequency Range
Downlink (BTS -> MS)
GSM
1900
1930 1990
MHz
GSM 850
3)
31 33 35
dBm
EGSM 900
1) 4)
31 33 35
dBm
GSM 1800
2)
28 30 32
dBm
RF Power @ ARP
with 50
Ω
Load
GSM
1900
28 30 32
dBm
GSM 850
3)
124
EGSM 900
4)
174
GSM 1800
374
Number of Carries
GSM 1900
299
GSM 850
3)
45
MHz
EGSM 900
4)
45
MHz
GSM 1800
95
MHz
Duplex Spacing
GSM 1900
80
MHz
Carries Spacing
200
KHz
Multiplex, Duplex
TDMA/FDMA, FDD
