GT-1612-MTBD
GPS&Beidou Receiver Module
www.gotop-zzu.com
Page 4 of 35
Revision: V2.0.1-January 2015
1.2. Key Features
Table 1: Key Features
Parameter
Specification
Power Supply
•
Supply voltage: 2.8V~4.3V Typical: 3.3V
Power Consumption
•
Acquisition: 45mA @VCC=V_BCKP=3.3V
•
Tracking: 40mA @VCC=V_BCKP=3.3V
•
Standby: 2.0mA @VCC=V_BCKP=3.3V
•
Backup: 20uA @V_BCKP=3.3V
Receiver Type
•
Code 66 search channels, 22 synchronous tracking channels
•
GPS&&QZSS L1 1575.42MHz C/A , Beidou B1 1561.098MHz
SBAS: WAAS, EGNOS, MSAS, GAGAN
Sensitivity
•
Tracking:
-165dBm
•
Re-acquisition:
-156dBm
•
Acquisition:
-148dBm
TTFF (EASY enabled)
•
Cold start:
15s typ @-130dBm
•
Warm start:
5s typ @-130dBm
•
Hot start :
1s typ @-130dBm
TTFF (EASY disabled)
•
Cold start(Autonomous):
35s typ @-130dBm
•
Warm start (Autonomous):
30s typ @-130dBm
•
Hot start (Autonomous):
1s
typ @-130dBm
Horizontal Position
Accuracy (Autonomous)
•
<2.5m CEP @-130 dBm
Max Update Rate
•
Up to 10Hz,1Hz by fault
Accuracy of 1PPS Signal
•
Typical accuracy:
±
10ns
•
Time pulse width 100ms
Acceleration Accuracy
•
Without aid: 0.1m/s
²
Dynamic Performance
•
Maximum altitude: 18,000m
•
Maximum velocity: 515m/s
•
Acceleration: 4G
UART Port
•
UART Port: TXD and RXD
•
Supports baud rate from 4800bps to 115200bps, 9600bps by
default
•
UART port is used for NMEA output,MTK proprietary
commands input and firmware upgrade
Temperature Range
•
Normal operation: -40
°
C ~ +85
°
C
•
Storage temperature: -45
°
C ~ +125
°
C
Physical Characteristics
•
Size: 16
±
0.15
×
12
±
0.15
×
2.6
±
0.1mm
•
Weight: Approx. 0.92g
