Beitian BE-122 M10 GNSS GPS Module with Flash, PPS, TTL UART (RX/TX) for FPV Flight Controller
Beitian BE-122 M10 GNSS GPS Module with Flash, PPS, TTL UART (RX/TX) for FPV Flight Controller
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Overview
The Beitian BE-122 is an M10 GNSS/GPS receiver module with onboard FLASH memory, designed for integration with FPV flight controllers and drone navigation systems (including SEEKER 3). It supports multiple satellite systems and provides TTL-level UART data output plus a PPS indicator output.
Key Features
- Chip: M10050
- Receiver type: GPS L1 C/A; QZSS L1 C/A/S; BDS B1I/B1C; Galileo E1B/C; SBAS L1 C/A (WAAS, EGNOS, MSAS, GAGAN)
- Default position system: GPS, BDS, GALILEO
- Augmentation system: SBAS, QZSS
- FLASH: configuration can be changed and power will not be lost
- TTL level data output; protocols: NMEA, UBX
Specifications
| Model | BE-122 GPS |
| Module label code | 2302171936 |
| Chip | M10050 |
| Receiver type | GPS L1 C/A; QZSS L1 C/A/S; BDS B1I/B1C; Galileo E1B/C; SBAS L1 C/A (WAAS, EGNOS, MSAS, GAGAN) |
| Default position system | GPS, BDS, GALILEO |
| Augmentation system | SBAS, QZSS |
| Channel | N/A |
| Sensitivity (Tracking & Navigation) | -166 dBm |
| Sensitivity (Reacquisition) | -160 dBm |
| Sensitivity (Cold start) | -148 dBm |
| Sensitivity (Hot Start) | -160 dBm |
| Horizontal position | 2.0 m CEP |
| Velocity accuracy | 0.05 m/s |
| Dynamic heading | 0.3 deg |
| Time pulse | RMS 30 ns; 99% 60 ns |
| Acquisition (Cold start) | 27 s |
| Acquisition (Hot start) | 1 s |
| Acquisition (Aided start) | 1 s |
| Baud rate | 4800 bps - 921600 bps (default 38400 bps) |
| Output level | TTL level |
| Protocol | NMEA, UBX |
| NMEA messages | RMC, VTG, GGA, GSA, GSV, GLL |
| Update rate | 0.25 Hz - 18 Hz (default 1 Hz) |
| FLASH | With FLASH, the configuration can be changed, and the power will not be lost |
| Operational limits (Altitude) | 80,000 m |
| Operational limits (Velocity) | 500 m/s |
| Operational limits (Dynamics) | <4 g |
| Input voltage | DC 3.6 V - 5.5 V (typical: 5.0 V) |
| Current | 15 mA / 5.0 V |
| Dimensions | 16.3 * 12.4 * 4.4 mm |
| Weight | 3 g |
| Connector | Welding |
| Operating temperature | -40°C ~ +85°C |
| Storage temperature | -40°C ~ +105°C |
| PPS LED | Not positioned: light is off; after 3D positioning: starts to flash (indicator described as a blue light / red PPS light in the documentation) |
Pin Description
| Pin | Name | I/O | Description |
| 1 | RX | I | Serial Data Input |
| 2 | TX | O | Serial Data Output |
| 3 | VCC | I | DC 3.6 V - 5.5 V supply input (Typical: 5.0 V) |
| 4 | GND | G | Ground |
Mechanical Dimensions (Drawing Values)
- 12.40 ±0.2 mm
- 12.00 mm
- 16.30 ±0.2 mm
- 4.41 ±0.2 mm
- 1.50 mm
- 0.80 mm
- 2.00 mm
- 0.50 max
- 4.20 mm
- 11.5 mm
- 11.6 mm
- 6.00 mm
- 2.00 mm
For integration support (wiring, UART settings, and configuration), contact https://rcdrone.top/ or support@rcdrone.top.
Details
The Beitian BE-122 GNSS GPS module uses a compact patch antenna design with clearly labeled R, T, V, G and PPS pads for straightforward wiring.
The Beitian BE-122 M10 GNSS GPS supports GPS/BDS/Galileo with NMEA/UBX output, TTL level signaling, and up to 18Hz update rate.
Beitian BE-122 GPS module uses RX/TX serial pads with 3.6–5.5V power input and a PPS LED for status indication.
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