Beitian BK-252i GPS Module With QMC5883 Compass NMEA UBX Dual Protocol M9140 Chip Ultra-low Power Drone UAV GNSS Receiver Module for FPV Return Rescue Racing Drone RC Airplane Compatible F4 F7 Flight Controller
Specifications:
Brand Name:Beitian
Item Name:BK-252i
Chip:M9140-KB
Frequency:GPS L1 C/A, QZSS L1 C/A/S,GLONASS L10F, BDS B1I, Galileo E1B/C, SBAS L1 C/A:WAAS, EGNOS, MSAS, GAGAN
Working Mode:GPS, GLONASS, Galileo, BDS
Auxiliary System:SBAS, QZSS
Channel:92 searching channel
Tracking Sensitivity:-167dBm
Reacquisition Sensitivity:-160dBm
Cold Start Sensitivity:-148dBm
Hot Start Sensitivity:-159dBm
Position Horizontal Accuracy:1.5 m CEP with SBAS
Speed Accuracy:0.05m/s
Dynamic Heading Accuracy:0.3 deg
1PPS Time Accuracy:RMS 30ns, 99% 60ns
Cold Start Acquisition Time:24s
Hot Start Acquisition Time:2s
Auxiliary Start Acquisition Time:2s
Data Output Support Rate:4800bps to 921600bps, Default 38400bps
Data Output Level:TTL Level
Data Output Protocol:NMEA, UBX
Data Output NMEA Message:RMC, VTG, GGA, GSA, GSV, GLL
Data Output Update Rate:0.25Hz-25Hz, Default 1Hz
FLASH:With FLASH. Configuration can be changed. No loss due to power outage.
Data Output Second Pulse:0.25Hz-10MHz can be configured, the default period is 1s, and the high level lasts for 100ms
Operational Altitude Limits:80000m
Operational Speed Limits:<500m/s
Operational Acceleration Limits:<4g
Power Consumption of VCC:DC Voltage 3.6V-5.5V, Typical:5.0V
Power Consumption of Current:Capture 25mA/5.0V
Dimension:25mm*25mm*7.7mm
Weight:13.5g
Connector:1.0mm spacing 6pin
Compass:Built-in QMC5883 Compass
Operating Temp:-40 ɳC ~ +85ɳC
Storage Temp:-40ɳC ~ +105ɳC
TX LED:Blue. The blue light flashes when powered on, indicating data output.
PPS LED:Red. PPS LED not bright when GPS not fixed, flashing when fixed.
Pin Description:
| PIN | PIN Name | I/O | Description | Characteristic |
| 1 | TX | O | UART communication interface, TTL level | GPS data output pin |
| 2 | RX | I | UART communication interface, TTL level | GPS data input pin |
| 3 | GND | G | Ground | Ground |
| 4 | VCC | I | Main power supply, DC input | DC 3.6V – 5.5V, Typical:5.0V |
| 5 | SCL | I | Serial clock-I2C bus master/slave clock | Compass clock pin |
| 6 | SDA | O | Serial data-I2C bus master/slave data | Compass data pin |
Package Included:
1x Beitian BK-252i GPS Module
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