尺寸:16X12mm 国科GK9501芯片 GPS﹠北斗双模
Features
Build on high performance, low-power
GK9501 chip set
Ultra high Track sensitivity: -165dBm
Extremely fast TTFF at low signal level
Built in high gain LNA
Low power consumption: Max 40mA@3.3V
NMEA-0183 compliant protocol or custom
protocol
Operating voltage: 2.8V to 4.3V
Operating temperature range:-40to85℃
SMD type with stamp holes
Small form factor: 16x12x2.6mm
RoHS compliant (Lead-free)
Parameter | Specification |
Power Supply | • Supply voltage: 2.8V~4.3V Typical: 3.3V |
Power Consumption | • Acquisition: 40mA @VCC=V_BCKP=3.3V • Tracking: 35mA @VCC=V_BCKP=3.3V • Standby: 2.0mA @VCC=V_BCKP=3.3V • Backup: 15uA @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 (Autonomous) | • Cold start : 35s typ @-130dBm • Warm start : 30s typ @-130dBm • Hot start : 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/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: 16±0.15 × 12±0.15 × 2.6±0.1mm • Weight: Approx. 0.92g |