4
1.1 Specifications
PHYSICAL CONSTRUCTION
PERFORMANCE
GPS Chipset
MTK-3301
Dimension
L40.5mm*W35mm*H13.7mm
Sensitivity
-158dbm
Receiving
frequency
1575.42MHZ; C/A code
Weight
11 grams
SBAS
1 channel (Support WAAS, EGNOS,
MSAS)
DGPS
RTCM Protocol
RF Connector
Standard: MCX Jack
Optional: SMA, SMB Jack
Receiver
architecture
32 parallel channels
Hot start
1 sec. typical
Warm start
35 sec. typical
Start-up time
Cold start
41sec. typical
Without aid
3.3 m CEP
Connector
12pin connector with 1.27mm
pitch
Position accuracy
DGPS (RTCM)
2.6 m
Construction
Full EMI Shielding
Velocity accuracy
0.1 Knot RMS steady state
ENVIRONMENTAL CONDITIONS
Update Rate
1 ~ 5Hz
Operating: -30 ~ +80
℃
Power Supply
3.3~5V +- 5%
Temperature
Storage: -40 ~ +85
℃
Acquisition
65mA
50mA
(first 5 minutes)
COMMUNICATION
48mA
(after 5 minutes)
Protocol
NMEA V3.01
Power
Consumption
Tracking
41mA
(after 20 minutes)
Signal level
Default: RS232
Option: UART @ 2.8V
External Antenna
GPS antenna with 2.8V power input
INTERFACE CAPABILITY
Default
RMC, GGA, GSV*5,
VTG, GSA*5
Standard Output
Sentences
Optional GLL, ZDA
Baud Rate
4800 bps (default) &
4800/9600/38400/57600/115200 bps
are adjustable