What is the Difference Between the TT15 and TT15X Collar?

Are the TT™ 15 and TT™ 15X collars the same? No, although physically similar, and similar in operation, they are not the same. The following is a brief list of the similarities and differences.

Same:

• Physical dimensions and weight
• Range
• High-sensitivity GPS and GLONASS receiver
• LED beacon lights
• Rescue mode
• Training modes (stimulation, vibration, and tone)
• Water rating (1 ATM)
• Battery

Different:

• Battery life
  • TT15 - 20 to 40 hours
  • TT15X - up to 80 hours
• Sleep mode - a feature new to the TT15X
• Software update method
  • TT15 - WebUpdater (Windows-only)
  • TT15X - Garmin Express™ - supports Windows and MacOS, also allows for easier product registration
• TT15X is not compatible with the Astro® 220 or Astro® 320 handhelds