尺寸:22X17MM BK1662G芯片 L1+L2+L5三頻多模 帶RTK算法
Features
n Build on high performance, low-power BK1662G chip set
n Ultra high Tracking sensitivity: -165dBm
n Concurrent reception of L1+12+15 three bands and multi-system satellite signals
n Supports RTK ; Protocol: RTCM 3.3
n Supports all civil GNSS signals
n Supports BDS-3 signal
n Extremely fast TTFF at low signal level
n Multi-path detection and suppression
n Works with passive and active antenna
n Low power consumption: Max 70 mA@3.3V
n NMEA-0183 compliant protocol or custom protocol
n Operating voltage:2.8V to 3.6V
n SMD type with stamp holes
n Small form factor: 22x17x2.6mm（±0.5mm）
n Operating temperature -40 ~ +85oC
n RoHS compliant (Lead-free)
Functional Description
Parameter | Specification |
Power supply | ? Supply voltage: 2.8V~3.6V Typical: 3.3V |
Power consumption | ? Acquisition: 65mA @VCC=VBAT=3.3V ? Tracking: 70mA @VCC=VBAT=3.3V ? Standby: 2.0mA @VCC=3.3V ? Backup: 20uA @VBAT=3.3V |
GNSS engine | ? 200 tracking channels with fast search engine |
GNSS reception | ? GPS/QZSS: L1.L5.L2C ? GLONASS: L1.L2C ? GALILEO: E1.E5 ? BEIDOU: B1I.B1C.B2A.B2I.B3I ? SBAS: WAAS.EGNOS.MSAS.GAGAN |
Update rate | ? GNSS: 20Hz Maximum,1Hz by default ? RTK: 10Hz Maximum,1Hz by default |
Position accuracy | ? GNSS: 1m CEP ? RTK: 25px+1ppm (CEP50） |
Velocity & Time accuracy | ? GNSS: 0.01m/s CEP ? SBAS: 0.05 m/s ? 1PPS: 20 ns |
Time to First Fix(TTFF) | ? Hot start: 5 s ? Cold start: 28 s ? AGPS: 1.5s ? RTK initialization time: ≤10s ? RTK Re-acquisition time: ＜2s |
Sensitivity | ? Cold start: -148dBm ? Hot start: -165dBm ? Re-acquisition: -159dBm ? Tracking & navigation: -165dBm |
GNSS Operating limit | ? Velocity: 515m/s ? Altitude: 18000m |
Datum | ? Default WGS-84, User definable |
UART Port | ? UART Port: TXD and RXD ? Supports baud rate : 9600 , 38400 , 115200 , 230400 , 460800 , 1000000 , 2000000, 115200bps by default. ? NMEA 0183 Protocol Ver.4.10, BK GNSS Receiver Protocol ? Supports batch data report mode |
Temperature Range | ? Normal operation: -40°C ~ +85°C ? Storage temperature: -40°C ~ +125°C ? Humidity: 5% ~ 95% |