Product Parameters

Working voltage: 3.3V-5.0V

Default baud rate: 9600

GPS antenna interface: SMA

TTL interface: USB-TTL or an external microcontroller can be used to control the reception of GPS

Module SMA antenna interface: The external antenna is placed in an open outdoor area or outside the window for testing, and the ceramic surface of the antenna faces the sky to improve the search satellite capability

Note: After the main power is disconnected, the backup battery can maintain the storage of GPS ephemeris data for about half an hour to support warm start or hot start, thereby achieving rapid positioning

Product Descriptions

The GY-NEO-7/8M module is based on the UBLOX NE0-7M/8M GPS module (HW-448A7M with large antenna, HW-448B 7M with small antenna, HW-448C 8M with large antenna, HW-448D 8M with small antenna). It supports UART communication protocol and has EEPROM storage function, making it easy to connect this module to a microcontroller. It can be directly connected to a computer through USB to TTL serial port for various parameter settings and saved in EEPROM. It comes with a rechargeable backup battery that can maintain ephemeris data in case of power failure,

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