Garmin Astro 220 Dog Tracking GPS Bundle – DC40 Wireless Transmitter Collar Review

By | May 11, 2018

The DC40 Wireless Transmitter Collar helps you track your hound’s every move with great precision and accuracy. The device is simple to use. Just turn on the transmitter and the handheld and within seconds you will get the GPS signals from the satellite. Attach the collar to your dog and set him loose and start tracking. The Astro 220 is also one of the few handhelds on the market with a color display.

Garmin Astro 220 Dog Tracking GPS Bundle – DC40 Wireless Transmitter Collar Review

DC40 Wireless Transmitter Collar Features

The Astro and DC40 packs all the sophisticated features of the leading tracking devices produced by Garmin.

– Display

The 2.6 inch display is scratch resistant. The build is sturdy and really is made for outdoor activity. You don’t have to worry about scratches and damage even if you place the device on the earth face down. The 240×160 pixel resolution TFT display is clear and easy to view even in bright lighting conditions.

– Battery Life

With a full charge, the device can easily last for a full day (24 hours). To make the most out of the battery, you can also set back light timeout so that the display doesn’t have to be on all the time. The battery is also removable, so if you happen to go camping in the woods for a couple of days, you can swap batteries. Also, you can easily charge them if your car / vehicle have a charging port.

– Map Data

The device supports USB connectivity. You can hook it up to your computer and update downloaded map data. When you are not using the device for months, you can simply remove the battery and all your map data will be intact. The device also supports topographic maps which come with detailed terrain information.

– DC40 Wireless Transmitter Collar is Rugged and Accurate

The transmitter is made up of polyurethane, which is known for its durability and toughness. The DC 40 tracks the dogs’ position and indicates its position every 5 seconds. The all-weather collar, VHF antenna and state-of-the-art GPS receiver makes this one of the best tracking collar transmitters.

– Ease of use

The device is so sophisticated yet very easy to use. The buttons are clearly marked and is pretty straightforward to use. Press the ‘Dog’ button and Dog Tracking Page will open showing the exact position of your dog along with the trail it has traversed. Press the ‘Mark’ button and the device will register your current location. The ‘In’ and ‘Out’ buttons will help you zoom in and out of the map seamlessly. There is also a big rocker on the center which helps you pan the map and to navigate through the options.

– Accessories

Apart from tracking your hounds, the device also has other useful features like, a built-in calendar, stopwatch, calculator, and sunrise and sunset notification. If you want to kill some time, you can also play simple yet addictive games on the beautiful 2.6″ display.

DC40 Wireless Transmitter Collar Pros and Cons


  • Easy to configure,
  • accurate,
  • simple to use controls,
  • sturdy build,
  • scratch-resistant screen, and
  • USB connectivity.

Cons –

  • No loops in the DC 40 Collar for adding tags,
  • the tracker might be big for small breeds.


With a brilliant 2.6 display (sunlight readable) and easy to configure and use, the Astro 220 along with the DC 40 wireless transmitter is definitely one of the best dog tracking GPS bundle currently available on the market. You don’t have to worry about losing your dog again with this powerful and accurate GPS dog tracking system.

Garmin Astro 220 Dog Tracking GPS Bundle – DC40 Wireless Transmitter Collar Review

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Garmin Astro 220 Dog Tracking GPS Bundle – DC40 Wireless Transmitter Collar Review
4.6 (91.25%) 16 votes

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