尺寸:18X18mm 国科GK9501S芯片 GPS﹠北斗双模
Features
n Build on high performance, low-power GK9501 chip set
n Ultra high Track sensitivity: -165dBm
n Extremely fast TTFF at low signal level
n Built in high gain LNA
n Low power consumption: Max 45mA@3.3V
n NMEA-0183 compliant protocol
n Operating voltage: 3.0V to 5.5V
n Operating temperature range:-40to85℃
n Patch Antenna Size: 18x18x4mm
n Module Size: 18.5x18.5x6.8mm
n Communication type: UART/TTL
n RoHS compliant (Lead-free)
Parameter | Specification | ||
Power Supply | • Supply voltage: 3.0V~5.5V Typical: 3.3V | ||
Power Consumption | • Acquisition: 45mA @VCC=VBAT=3.3V • Tracking: 40mA @VCC=VBAT=3.3V • Standby: 2.0mA @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 , 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 | • not enabled | ||
Acceleration Accuracy | • Without aid: 0.1m/s² | ||
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, GK proprietary commands input and firmware upgrade | ||
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C | ||
Physical Characteristics | • Size: 18.5±0.50 × 18.5±0.50 ×6.8±0.50mm • Approx.5.5g | ||