Parameter

Specification

Power Supply

• Supply voltage: 3.3V~5.5V  Typical: 3.3V

Power Consumption

• Acquisition:  45mA @VCC=VBAT=3.3V

• Tracking:  40mA @VCC=VBAT=3.3V

• Backup:  20uA @VBAT=3.3V

Receiver Type

• Code 66 search channels ,22 synchronous tracking channels

• GPS&QZSS L1 1575.42MHz C/A , GLONASS L1OF 1602MHz,  

   SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

• Tracking:   -165dBm

• Re-acquisition:  -156dBm

• Acquisition:   -147dBm

TTFF (Autonomous)

• Cold start:   35s  typ @-130dBm

• Warm start:   30s  typ @-130dBm

• Hot start:   1s   typ @-130dBm

Horizontal Position

Accuracy (Autonomous)

• Dynamic:  < 10m CEP @-130 dBm

• Static state:  < 5m CEP @-130 dBm

Update Rate

• 1Hz

Accuracy of 1PPS Signal

• not enabled

Acceleration Accuracy

• Without aid: 0.1m/s²

Dynamic Performance

• Maximum altitude: 18,000m

• Maximum velocity:515m/s

• Acceleration:4G

RS232 Port

• RS232 Port:RS232_ TXD and RS232_RXD

• Supports baud rate from 4800bps to 115200bps, 9600bps by

   default

• UART port is used for NMEA output, GK proprietary commands

   input and firmware upgrade

Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -45°C ~ +125°C

Physical Characteristics

• Size: 45±0.50 × 38±0.50 ×13.8±0.50mm  

• Wire interface type: DC 4-Pin；L=300cm

• Weight: Approx.80g