u-blox EVA-M8M

u-blox EVA-M8M

Part no.: EVA-M8M-0
Manufacturer: u-blox

Availability: In Stock

The u-blox EVA-M8M is a high-performance, compact GNSS (Global Navigation Satellite System) module with integrated MEMS (Micro-Electro-Mechanical Systems) sensors. It supports a wide range of wireless bands and network standards, making it suitable for various applications.

The EVA-M8M supports GPS, GLONASS, Galileo, and BeiDou satellite systems, ensuring accurate positioning and navigation. It also supports Assisted-GNSS (A-GNSS) for faster time to first fix.

Key features of the u-blox EVA-M8M include its small size and low power consumption, making it ideal for space-constrained and battery-powered devices. It also provides reliable performance in challenging environments, thanks to its exceptional sensitivity and advanced interference mitigation capabilities.

Additionally, the EVA-M8M offers precise timing and synchronization capabilities, making it suitable for applications that require accurate timekeeping. It also supports various communication interfaces, including UART, I2C, and SPI, for easy integration with different devices.

Overall, the u-blox EVA-M8M is a versatile and reliable GNSS module that provides accurate positioning, low power consumption, and excellent performance in challenging environments, making it suitable for a wide range of applications.


  • Receiver type - 72-channel u-blox M8 engine GPS/QZSS L1 C/A, GLONASS L10F, BeiDou B1 SBAS L1 C/A: WAAS, EGNOS, MSAS Galileo-ready E1B/C 
  • Max nav. update rate
    - Single GNSS: up to 18 Hz
    - Concurrent GNSS: up to 10 Hz 
  • Accuracy
    - Position: 2.5 m CEP
    - SBAS: 2.0 m CEP 
  • Acquisition1
    - Cold starts: 27 s
    - Aided starts: 4 s
    - Reacquisition: 1 s 
  • Sensitivity1
    - Tracking and Nav: –164 dBm
    - Cold starts: –147 dBm
    - Hot starts: –156 dBm 
  • Assistance GNSS
    - AssistNow Online
    - AssistNow Offline
    - AssistNow Autonomous
    - OMA SUPL & 3GPP compliant 
  • Oscillator - Crystal 
  • Real time clock (RTC) - Can be derived either from onboard GNSS crystal (for lowest system costs and smallest size) or from external RTC Clock (Default mode, for lower battery current) 
  • Anti jamming - Active CW detection and removal 
  • SQI Flash - FW update 
  • (optional) for
    - AssistNow Offline
    - AssistNow Autonomous 
  • Supported antennas - Active and passive2 
  • Antenna supervision - Short and open circuit detection supported with external circuit

Electrical data

  • Supply voltage - 1.65 V to 3.6 V 
  • Digital I/O - 1.65 V to 3.6 V voltage level 
  • Power Consumption - 25 mA @ 3 V (Continuous) 5.5 mA @ 3V Power Save mode (1 Hz) 
  • Backup Supply - 1.4 to 3.6V


  • Serial interfaces 
    - 1 UART 
    - 1 USB 
    - 1 SPI (Optional) 
    - 1 DDC (I2C compliant) 
    - 1 SQI interface (For Flash update) 
  • Digital I/O - Configurable timepulse - 1 EXTINT input for Wakeup 
  • Timepulse - Configurable 0.25 Hz to 10 MHz 
  • Protocols- NMEA, UBX binary, RTCM

Environmental data, quality & reliability

  • Operating 
    - temp. –40° C to 85° C Storage 
    - temp. –40° C to 105° C
  • RoHS compliant (lead-free) and green (no halogens)
  • Qualification according to standard JESD47 
  • Manufactured in ISO/TS 16949 certified production sites Moisture sensitivity level 3

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u-blox EVA-M8M

u-blox EVA-M8M

Part no.: EVA-M8M-0
Manufacturer: u-blox

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