尺寸:20X20mm 國科GK9501S 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 35mA@3.3V
NMEA-0183 compliant protocol or custom
protocol
Operating voltage: 2.8V to 4.3V
Operating temperature range:-40to85℃
Patch Antenna Size: 18x18x4mm
Module Size: 19.98x19.95x7.2mm
SMD type with stamp holes
Communication type: UART/TTL
RoHS compliant (Lead-free)
Parameter | Specification | ||
Power Supply | ? Supply voltage: 2.8V~4.3V Typical: 3.3V | ||
Power Consumption | ? Acquisition: 35mA @VCC=VBAT=3.3V ? Tracking: 30mA @VCC=VBAT=3.3V ? Standby: 2.5mA @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: 19.98±0.50 ×19.95±0.50 ×7.2±0.50mm ? Weight: Approx. 7.8g | ||