尺寸:25X25mm 國科GK9501S芯片 GPS﹠北斗雙模
Features
n Build on high performance, low-power GK9501 chip set
n Ultra high sensitivity: -165dBm
n Built in high gain LNA
n Low power consumption:Max45mA@3.3V
n NMEA-0183 compliant protocol
n Operating voltage: 3.3V--5.5V
n Operating temperature range:-40to85℃
n Patch Antenna Size: 25x25x4mm
n Module Size: 25.5x25.5x8.8mm
n Communication type: UART/TTL
n RoHS compliant (Lead-free)
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 , Beidou B1 1561.098MHz 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) | ? <2.5m 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 |
UART Port | ? UART Port: TXD and RXD ? Supports baud rate from 4800bps to 115200bps, 9600bps by default ? UART port for NMEA output, binary or GK proper Agreementinput |
Temperature Range | ? Normal operation: -40°C ~ +85°C ? Storage temperature: -45°C ~ +125°C |
Physical Characteristics | ? Size: 25.5±0.50 ×25.5±0.50 ×8.8±0.20mm ? Weight: Approx. 7.5g |