The External GPS Receiver adds speed and location data to your videos.

• Speed: speed data–in Km/h or Mph–will be overlaid in the video (can be turned off in the dashcam’s settings).
• Location: you can visualize the location of your vehicle in the BlackVue Viewer’s Map during video playback.
  

G-1EU (USB type)

• G-1E External GNSS – (GPS: 1575.42MHz / GLONASS: 1595MHz~1608MHz)
  ​​​​​​​Connector Type: Micro USB
• Length: 1m / 3.28ft
• Weight: 0.054lb / 27.7g
• Compatible Models: DR590X-1CH, DR590X-2CH.

G-1E (Stereo Jack type)

• G-1E External GPS(1575.42MHz)
  Jack Type: Stereo Jack (Ø2.5)
• Length: 1m / 3.28ft
  
• Weight: 0.061lb / 28g
  
• Compatible Models: DR450-1CH, DR430-2CH,DR470-2CH, DR490-2CH, DR750LW-2CH, DR3500-FHD.