7. TECHNICAL PARAMETERS
7.3
Technical parameters of module
HSPA+ module
HSPA+ parameters
Bit rate 14,4 Mbps (DL) / 5,76 Mbps (UL)
3GPP rel. 6/7 standard
Data compress 3GPP
UMTS parameters
Bit rate 384 kbps (DL) / 384 kbps (UL)
3GPP rel. 4 standard
GPRS/EDGE parameters
EDGE bit rate 237 kbps (DL) / 237 kbps
∗
(UL)
GPRS bit rate 85,6 kbps (DL) / 85,6 kbps
∗
(UL)
Multislot class 12, CS 1 to 4,
3GPP rel. 99/4 standard
Support channels
GSM/GPRS/EDGE: Quad band, 850/900/1800/1900 MHz
UMTS/HSDPA/HSUPA/HSPA+: Five band,
800/850/900/1900/2100 MHz
Table 14: Technical parameters of module
7.4
Technical parameters of GPS
GPS specifications
Antenna
50 Ohms – active
Protocols
NMEA 0183 v3.0
Frequency
1575.42 MHz
Sensitivity
Tracking: -161 dBm
∗
Acquisition (Assisted): -158 dBm
∗∗
Acquisition (Standalone): -145 dBm
∗∗
Acquisition time
Hot start: 1 s
Warm start: 29 s
Cold start: 32 s
Accuracy
Horizontal: < 2m (50 %); < 5 m (90 %)
Altitude: < 4 m (50 %); < 8 m (90 %)
Velocity: < 0.2 m/s
Table 15: Technical parameters of GPS
∗
Tracking sensitivity is the lowest GPS signal level for which the device can still detect an
in-view satellite 98 % of the time when in sequential tracking mode.
∗∗
Acquisition sensitivity is the lowest GPS signal level for which the device can still detect an
in-view satellite 50 % of the time.
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