Best for: automotive navigation, marine positioning, logistics terminals, general GNSS projects

⭐ Key Features

• Multi-constellation positioning

• Integrated TCXO + LNA + SAW + RTC

• 72 search channels / 32 tracking channels

• Cold start: 29 s, Hot start: 1 s

• Size: 18×18×6.4mm compact module

• Default output: 1 Hz (adjustable to 10 Hz)

• Stable and cost-effective GNSS solution

📦 SKU 3: BZ121 – Ultra-Compact GNSS Module

Best for: micro-robots, wearables, mini drones, small devices

⭐ Key Features

• Ultra-small size: 16×12×4.6mm

• Compact 12×12mm ceramic antenna

• High sensitivity: –166 dBm

• Default: GPS + Galileo + QZSS + SBAS

• Low-power optimized design

• Ideal for space-restricted applications

📊 Quick Comparison Table

🛠 Application Scenarios

• UAVs (FPV, mapping, fixed-wing, multirotor)

• Robotics, AGV navigation, UGV

• Vehicle navigation / fleet management

• Marine navigation & boat positioning

• Smart logistics, asset tracking

• Wearable devices, personal trackers

• Ground stations, motion analysis, engineering applications

📑 Package Contents (Depending on SKU)

• BZ251/ BZ181/BZ121*1

   

• Connection cable *1

💬 Note

All BZ modules use UART output and are compatible with most flight controllers, MCUs, and development boards.
For wiring diagrams, protocol commands, or configuration files, feel free to contact support.