Overview
The Beitian BF-180 is a GPS module (GNSS module) antenna module for the SEEKER 5 drone, featuring the B1301Y chip and TTL-level UART output for NMEA/UBX data.
Key Features
- GNSS bands: GPS L1 / BDS B1 / Galileo E1 / QZSS L1 / SBAS L1
- 100 channels
- Update rate: 1-20Hz (default: 10Hz)
- Protocols: NMEA, UBX
- TTL output level
- Connector: 1.00 pitch 4-pin socket
- Module markings include: Beitian BF-180 GNSS Module; pads labeled PPS / RX / TX / VCC / GND
Specifications
| Model | BF-180 |
| Chip | B1301Y |
| Frequency | GPS L1, BDS B1, GALILEO E1, QZSS L1, SBAS L1 |
| Channel | 100 |
| Cold boot (sensitivity) | -148dBm |
| Warm boot (sensitivity) | -159dBm |
| Horizontal | 2.0m CEP |
| Speed accuracy | 0.1m/s CEP |
| Cold boot (time) | 28s |
| Warm boot (time) | 1s |
| Baud rate (bps) | 9600-2000000bps, default 115200bps |
| Output level | TTL level |
| Output protocol | NMEA, UBX |
| Frequency of updates | 1-20Hz (default: 10Hz) |
| FLASH | In the tank |
| Height | 50000m |
| Velocity | 500m/s |
| Gravitational Acceleration | <4g |
| Voltage | DC 3.6V-5.5V, typical: 5.0V |
| Current | 20mA/5.0V |
| Size | 18*18*6.1mm |
| Weight | 5g |
| Connector | 1.00 pitch 4pin socket |
| Compass | not |
For compatibility questions or integration support, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The Beitian BF-180 GNSS module includes a JST plug and clearly labeled pads for VCC, GND, TX, RX, and PPS wiring.

Beitian BF-180 uses the B1301Y chipset with multi-GNSS support (GPS L1, BDS B1, GALILEO E1) in an 18×18×6.1 mm module with a 1.0‑pitch 4‑pin socket.
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