Description
The GY-NEO-7M V2 is a high-performance, multi-GNSS navigation module designed for flight controllers, drones, UAVs, and embedded systems requiring flexible antenna placement. Built around the advanced u-blox NEO-7M chipset, this module supports multiple global navigation satellite systems (GNSS), delivering faster satellite acquisition, improved positioning accuracy, and more reliable performance compared to GPS-only modules.
Unlike the built-in ceramic antenna version, this variant is specifically designed for use with an external active antenna (not included, sold separately). This design is ideal for applications where the GPS module must be mounted inside an enclosure, behind a carbon fiber or metal panel, or in a location with limited sky visibility. By placing the external antenna in an optimal location — such as on a vehicle roof, drone top plate, or outdoor mast — you achieve superior signal reception, faster fixes, and more reliable navigation data.
The NEO-7M chipset simultaneously tracks GPS, GLONASS, Galileo, QZSS, and SBAS (WAAS/EGNOS/MSAS) satellite constellations, providing a richer pool of visible satellites for enhanced positional accuracy and reliability, especially in challenging environments like urban canyons or heavy tree cover.
The module features a u.FL / IPEX connector for connecting a wide range of external active GNSS antennas (3V to 5V active antennas, typical gain 15dB to 28dB). For users requiring even greater flexibility, an SMA adapter cable allows conversion to standard SMA connectors.
Key onboard features include EEPROM memory that permanently stores all configuration parameters (baud rate, update rate, NMEA message settings) even after power loss, and a rechargeable backup battery that maintains the real-time clock and ephemeris data for hot starts with a time-to-first-fix as low as 1 second.
Operating from a wide 3V to 5V DC input with onboard voltage regulation, the GY-NEO-7M V2 is compatible with both 3.3V and 5V logic systems. It provides UART TTL serial communication at a configurable baud rate (default 9600bps), making it plug-and-play compatible with Arduino, ESP32, STM32, Raspberry Pi, and popular flight controllers including MWC (MultiWii) and APM 2.5/2.6.
The bright LED signal indicator provides immediate visual feedback of GNSS fix status — regular blinking confirms a successful 3D satellite lock. For advanced users, the module can be configured using u-blox u-center software via a USB-to-TTL adapter, allowing detailed performance monitoring and parameter customization.
Whether you are building a drone with a low-profile GPS installation, a vehicle tracking system where the module is hidden inside a metal dashboard, or an IoT device with remote antenna placement, the GY-NEO-7M V2 with external antenna support offers the multi-GNSS performance, configuration persistence, and installation flexibility required for both hobbyist and professional applications.
Key Features
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Multi-GNSS Support – Tracks GPS, GLONASS, Galileo, QZSS, and SBAS (WAAS/EGNOS/MSAS) constellations for enhanced accuracy and reliability
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External Active Antenna Support – u.FL/IPEX connector allows flexible antenna placement for optimal signal reception
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u-blox NEO-7M Chipset – 56-channel GNSS engine with high sensitivity down to -161dBm tracking
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Onboard EEPROM – Permanently saves all user settings (baud rate, update rate, message configuration) even after power loss
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Rechargeable Backup Battery – Maintains RTC and ephemeris data for hot starts (<1s TTFF)
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Wide Voltage Compatibility – Operates from 3V to 5V DC with onboard regulation; compatible with 3.3V and 5V logic systems
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UART TTL Interface – Simple 4-wire connection (VCC, GND, TX, RX) for seamless microcontroller integration
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LED Signal Indicator – Provides real-time visual confirmation of satellite fix status
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Configurable Update Rate – Supports up to 10Hz position update rate for real-time tracking applications
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Compact Form Factor – Small module footprint for easy integration into space-constrained projects
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Wide Operating Temperature – -40°C to +85°C suitable for outdoor and industrial applications
Technical Specifications
| Specification | Value |
|---|---|
| GPS Chipset | u-blox NEO-7M (56-channel) |
| Supported GNSS Systems | GPS L1 C/A, GLONASS L1 FDMA, Galileo E1B/C, QZSS L1 C/A, SBAS |
| Operating Voltage | 3V – 5V DC |
| Default Baud Rate | 9600 bps (configurable: 4800 – 115200 bps) |
| Communication Interface | UART TTL (TX/RX) |
| Tracking Sensitivity | -161 dBm (GPS) / -158 dBm (GLONASS) |
| Position Accuracy | <2.5 meters CEP |
| Update Rate | 1Hz – 10Hz (configurable) |
| Cold Start Time | <27 – 30 seconds (typical) |
| Warm Start Time | <28 seconds (typical) |
| Hot Start Time | <1 second (typical) |
| Antenna Connector | u.FL / IPEX (for external active antenna) |
| Antenna Requirement | Active GNSS antenna, 3V–5V, gain 15dB–28dB (not included) |
| Module Dimensions | 30mm × 23mm – 39mm × 25.5mm (varies by manufacturer) |
| Mounting Holes | 3mm diameter |
| Operating Temperature | -40°C to +85°C |
