Adafruit Ultimate GPS FeatherWing

The Wing is built around the MTK3333 chipset, a no-nonsense, high-quality GPS+GLONASS module that can track up to 33 satellites on 99 channels, has an excellent high-sensitivity receiver (-165 dB tracking!), and a built in antenna. It can do up to 10 location updates a second for high speed, high sensitivity logging or tracking. Power usage is incredibly low, only 30 mA during navigation.

Features:

• -165 dBm sensitivity, 10 Hz updates, 33 tracking of 99 channels
• Only 30mA current draw
• RTC with coin battery backup
• Built-in datalogging
• PPS (pulse per second) output on fix
• Internal patch antenna + u.FL connector for external active antenna
• Fix status LED

Specifications:

• Satellites: 33 tracking, 99 searching
• Patch Antenna Size: 15mm x 15mm x 4mm
• Update rate: 1 to 10 Hz
• Position Accuracy: < 3 meters (all GPS technology has about 3m accuracy)
• Velocity Accuracy: 0.1 meters/s
• Warm/cold start: 34 seconds
• Acquisition sensitivity: -145 dBm
• Tracking sensitivity: -165 dBm
• Maximum Velocity: 515m/s
• MTK3333 Operating current: 29mA tracking, 35 mA current draw during navigation
• Output: NMEA 0183, 9600 baud default
• DGPS/WAAS/EGNOS supported
• FCC E911 compliance and AGPS support (Offline mode : EPO valid up to 14 days )
• Up to 210 PRN channels
• Jammer detection and reduction
• Multi-path detection and compensation