Dual Antenna Support: Integrated passive ceramic antenna + SMA port for active antenna connectivity, enhancing signal in urban/canyon environments.
Multi-MCU Compatibility: Preloaded with Arduino/STM32/C51 code examples for fast deployment; TTL UART (3.3V/5V) interfaces with 9600bps default.
Enhanced Positioning Accuracy: NEO-7M chipset achieves 2.5m CEP accuracy with 56-channel reception, outperforming NEO-6M modules.
Compact & Expandable Design: 39x25.5mm PCB with 1Hz-10Hz update rate and battery-backed RTC for timestamp precision.
Plug-and-Play Setup: USB-to-TTL convertor ready (not included) for direct PC mapping via U-Center software.

High-Precision GPS Tracking:

u-blox NEO-7M module with 56 acquisition/22 tracking channels ensures reliable positioning under dense foliage or urban canyons.

Dual Antenna Flexibility:

Switch between onboard ceramic antenna (20dB gain) and external active antenna via SMA connector for optimal signal strength.

Development-Friendly Integration:

Voltage Support: 3.3V-5V DC input with reverse polarity protection

Communication: 9600bps UART (TXD/RXD) compatible with Arduino Uno, STM32F4, and 8051-based systems

Data Output: NMEA 0183 protocol + proprietary u-blox UBX binary

Enhanced Features:

Battery Backup: 12mAh coin cell socket for hot-start
1PPS Output: ±30ns synchronized pulse for time-critical applications

Software Tools:

Configure baud rate/fix rate via u-center (Windows) or embedded AT commands; includes Arduino library for parsing latitude/longitude.

Applications:

Drone/AGV navigation systems

Fleet management OBD-II trackers

Weather balloon telemetry

Package Contents:

1 × NEO-7M GPS module with pre-soldered headers + antenna, datasheet, and sample code link.

Compliance & Safety:

RoHS-compliant design with ESD protection; ensure USB-TTL converter supports 3.3V/5V logic to avoid damage.

Note:

For optimal performance, avoid obstructing antenna placement and ensure clear sky visibility during initial satellite acquisition (cold start

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