尺寸:16X12mm 國(guó)科GK9501芯片 GPS﹠北斗雙模
?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 |