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Garmin Pro 550 Plus handheld GPS unit with Alpha TT25 dog collar and USB charging accessories

Garmin

Garmin Pro 550 Plus Handheld GPS Navigation with Alpha TT25 Collar

SKU CH-5ERS-RN89S

Handheld GPS tracks up to three dogs with 18 stimulation levels, 2.5-second updates and 24-hour battery life

  • TypeHandheld
  • App-EnabledYes
  • Width1.8
  • Real-time dog tracking up to 9 miles with GPS and GLONASS
  • 5-second update rate shows precise location and direction instantly
  • One-handed operation with 18 stimulation levels plus tone and vibration
  • Rugged handheld lasts up to 24 hours on a single charge
  • Includes Alpha TT25 collar, USB car adapter, charging adapter and cleaning kit

System Purpose & Audience

The Garmin Pro 550 Plus is a handheld GPS tracking and training system designed for professional trainers and dedicated dog owners. It supports simultaneous control of up to three dogs using 18 levels of continuous or momentary stimulation, plus tone and vibration. The rugged transmitter is built for one-handed operation in demanding outdoor environments.

Satellite Tracking Limits

Real-time location updates rely on GPS and GLONASS reception with a 2.5-second refresh rate. The maximum tracking range reaches 9 miles, though terrain and atmospheric conditions can reduce effective coverage. The built-in display provides directional heading and distance at a glance without requiring a separate mobile device for basic operation.

Battery Life & Expansion

The rechargeable battery delivers up to 24 hours of continuous use on a single charge, covering extended hunts or training sessions. The system pairs with compatible Garmin wearables and navigators for expanded tracking views and connects to the Alpha app for mobile hunt review. The bundle includes the Alpha TT25 collar, USB charging adapter, car adapter and a cleaning kit.

Highlights

  • Real-time dog tracking up to 9 miles with GPS and GLONASS
  • 5-second update rate shows precise location and direction instantly
  • One-handed operation with 18 stimulation levels plus tone and vibration
  • Rugged handheld lasts up to 24 hours on a single charge
  • Includes Alpha TT25 collar, USB car adapter, charging adapter and cleaning kit

Specifications

BrandGARMIN
TypeHandheld
App-EnabledYes
Width1.8

Questions about this item

Which collar model comes in the box with the Pro 550 Plus handheld?

The bundle includes the Garmin Alpha TT25 dog collar, which pairs with the handheld for GPS and GLONASS tracking up to 9 miles.

What does the 2.5-second update rate mean when I am out in the field?

The handheld refreshes each dog's position every 2.5 seconds, giving near real-time direction and distance on the built-in display.

How does the USB charging adapter connect to the handheld?

The USB charging adapter plugs into the handheld's port to recharge the internal battery, which lasts up to 24 hours per charge.

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