The Beitian BN-220 GPS Module is a compact and powerful GPS/Glonass receiver designed for high-precision navigation in flight controllers, drones, and robotics applications. It supports multiple satellite constellations, offers quick positioning, and features LED indicators for status updates.

Specifications:

Receiving Capabilities:

• Formats Supported: GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS
• Frequency Bands: GPS L1, GLONASS L1, BeiDou B1, SBAS L1, Galileo E1
• Channels: 72 searching channels

Sensitivity:

• Tracking Sensitivity: -167dBm
• Reacquisition Sensitivity: -160dBm
• Cold Start Sensitivity: -148dBm
• Hot Start Sensitivity: -156dBm

Positioning Accuracy:

• Horizontal Position: 2.0m CEP (2D RMS, SBAS enabled, typical open sky)
• Velocity Accuracy: 0.1m/sec (95%, SA off)
• Timing Accuracy: 1µs synchronized to GPS time

Acquisition Time:

• Cold Start: 26 seconds
• Warm Start: 25 seconds
• Hot Start: 1 second

Data and Update Rate:

• Baud Rate: 4800bps to 921600bps (Default: 9600bps)
• Data Level: TTL or RS-232 (Default: TTL)
• Protocol: NMEA-0183 or UBX (Default: NMEA-0183)
• Update Frequency:
  • Single GNSS: 1Hz to 18Hz
  • Concurrent GNSS: 1Hz to 10Hz (Default: 1Hz)

Operational Limits:

• Maximum Altitude: 50,000m
• Maximum Velocity: 515m/s
• Maximum Acceleration: < 4G

Power and Temperature:

• Voltage: 3.0V to 5.5V (Typical: 5.0V)
• Current Consumption: 50mA @ 5.0V
• Operating Temperature: -40°C to +85°C
• Storage Temperature: -40°C to +105°C

Indicator LEDs:

• TX LED (Blue): Flashes when data is output.
• PPS LED (Red):
  • Off when GPS is not fixed.
  • Flashes when GPS is fixed.

Wiring:

• Pins: GND, TX (output), RX (input), VCC (3.0V–5.5V)

Features:

• Compact and lightweight design.
• Supports multiple GNSS constellations for improved positioning.
• Fast cold, warm, and hot start times.
• LED indicators for data output and GPS fix status.

Applications:

• Drones and UAV flight controllers.
• Robotics and navigation systems.
• High-altitude and high-velocity applications.