​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