GMM-U1 Datasheet, PDF (14/36 Pages) List of Unclassifed Manufacturers – GPS Module

GlobalTop Technology
Gmm-u1 Data Sheet
14 _{Ver. V0G}
2.6 Specification List
Description
GPS Solution
MTK MT3329
Frequency
Sensitivity¹
Channel
TTFF¹
L1, 1575.42MHz
Acquisition -148dBm, cold start
Reacquisition -160dBm
Tracking -165dBm
66 channels
Hot start: 1 second typical
Warm start: 33 seconds typical
Cold start: 35 seconds typical
Position Accuracy
Without aid:3.0m 2D-RMS
DGPS(RTM,SBAS(WAAS,EGNOS,MSAS)):2.5m 2D-RMS
Velocity Accuracy
Acceleration Accuracy
Timing Accuracy (1PPS output)
Without aid : 0.1m/s
DGPS(RTM,SBAS(WAAS,EGNOS,MSAS)):0.05m/s
Without aid:0.1 m/s²
Without aid:0.1 m/s²
DGPS(RTM,SBAS(WAAS,EGNOS,MSAS)):0.05m/s²
100 ns RMS
Altitude
Maximum 18,000m (60,000 feet)
Velocity
Maximum 515m/s (1000 knots)
Acceleration
Maximum 4G
Update Rate
1Hz (default), maximum 10Hz
Baud Rate
DGPS
AGPS
4800 bps (default)
RTCM protocol(configurable by firmware) or
SBAS(defult) [WAAS, EGNOS, MSAS,GAGAN]
Support
Power Supply
VCC：3.2V to 5.0V；VBACKUP：2.0V to 4.3V
Current Consumption
48mA acquisition, 37mA tracking
Shut-down current consumption 20uA typical
Working Temperature
-40 °C to +85 °C
Dimension
13x10x2.1m, SMD
Weight
0.5g
1 _{Reference to GPS chipset specification}
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