Beitian BK-122 GPS Module With Antenna UBX M9140 GNSS 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-122
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+QZSS+SBAS
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
Dat AOutput Support Rate: 4800bps to 921600bps, Default 38400bps
Dat AOutput Level: TTL Level
Dat AOutput Protocol: NMEA, UBX
Dat AOutput NME AMessage: RMC, VTG, GGA, GSA, GSV, GLL
Dat AOutput Update Rate: 0.25Hz-25Hz, Default 1Hz
Dat AOutput Second Pulse: 0.25Hz-10MHz can be configured, the default period is 1s, and the high level lasts for 100ms
Operational Altitude Limits: 50000m
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 50mA/5.0V
Dimension: 16.3mm*12.4mm*4.4mm
Weight: 3g
Connector: Welding
Compass: No
Operating Temp: -40 ??C ~ +85??C
Storage Temp: -40??C ~ +105??C
PPS LED: Red. PPS LED not bright when GPS not fixed, flashing when fixed.
Pin Description:
| PIN | PIN Name | I/O | Description | Characteristic |
| 1 | RX | I | UART communication interface, TTL level | GPS data input pin |
| 2 | TX | O | UART communication interface, TTL level | GPS data output pin |
| 3 | VCC | I | Main power supply, DC input | DC 3.6V – 5.5V, Typical: 5.0V |
| 4 | GND | G | Ground | Ground |
Package Included:
1x Beitian BK-122 GPS Module
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The product was a bit intimidating at first, but the patient and knowledgeable customer support made it manageable.
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