The Ultimate GPS Module (PA1616D) is a high-sensitivity, 66-channel GNSS module built around the MTK3333 chipset. Weighing under 6 grams and measuring just 16 × 16 × 6.4 mm, it packs impressive performance into an incredibly small package — perfect for integrating GPS into custom projects and PCB designs.

With 10 Hz update rates, -165 dBm tracking sensitivity, built-in datalogging, and an internal patch antenna with optional external antenna support, this module delivers everything you need for high-performance GPS tracking at ultra-low power consumption.

Key Features

• -165 dBm Sensitivity – Excellent tracking even in challenging conditions
• 10 Hz Updates – High-speed location updates for real-time tracking
• 66 Channels, 99 Tracking – Tracks up to 33 satellites simultaneously
• Ultra-Low Power – Only ~20 mA while tracking, ~29 mA during navigation
• Built-In Datalogging – Log position data directly on the module
• Internal Patch Antenna – Plus uFL connector for optional 3V active external antenna (auto-detects and switches)
• PPS Output – Pulse-per-second output on fix for precise timing
• RTC Battery Compatible – Maintain time data between power cycles
• 3.3V Operation – Standard logic-level voltage
• Ultra Compact – Just 16 × 16 × 6.4 mm

Ideal For

• Custom PCB designs requiring GPS integration
• High-speed GPS logging and tracking applications
• Drone and UAV navigation systems
• Wearable and portable location devices
• High-altitude projects (reported working up to ~32 km altitude)

Package Contents

• 1× PA1616D GPS Module (raw module only — no breakout board included)

Resources

• Adafruit Ultimate GPS Tutorial – Setup, Code & Datalogging Guide
• PA1616D Datasheet (PDF)