Walksnail WS-M181 GPS is a compact and lightweight GPS module, ideal for FPV and quadcopters. It runs on the u-blox M10 platform (UBX-M10050 GNSS chipset) and is equipped with a built-in IST8310 (MAG) compass, providing fast and stable positioning with increased accuracy. The ultra-thin ceramic antenna with a special coating (oil spraying) prevents oxidation and scratches, maintaining stable performance. The module supports six positioning modes (by default GPS + GLONASS + BDS in multi-mode) and is capable of working with up to 32 satellites, providing flexible and reliable navigation capabilities.

Note:
Since the GPS chip is a new 10th generation chip, the flight controller requires firmware Betaflight 4.3.0 and higher. The firmware below 4.29 uses the NMEA protocol.

Characteristics

• Name: Walksnail WS-M181GPS

• Chip: M10 (10th generation chip)

• Frequencies: GPS L1, GLONASS L1, BDS B1, GALILEO E1, SBAS L1, QZSS L1

• Power: 5 V

• Size: 18 × 18× 4.6 mm

• Antenna: ceramic (oil spray coating - protection from scratches and oxidation)

• Reception channels: 72 search channels

• Compass: IST8310

• Baud rate: 115200 bps

• Output protocol: NMEA / UBLOX (dual protocol)

• Refresh rate: 1–10 Hz, default 10 Hz

• Speed ​​accuracy: 0.05 m/s

• Horizontal positioning accuracy: 2D ACC 1.5 m (open area)

• Reception sensitivity: Tracking −162 dBm; Acquisition −160 dBm

Dynamic characteristics

• Altitude: 50,000 m

• Speed: 500 m/s

• Acceleration: 4G

Temperatures

• Operating temperature: −40°C…+85°C

• Temperature storage: −40°C…+105°C