Product Comparison

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Alpha® 10
$399.99 USD and Up
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Alpha® 200i
$749.99 USD
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Alpha® 100
$599.99 USD
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Astro® 430
$449.99 USD
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Alpha® 10
$399.99 USD and Up
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Alpha® 200i
$749.99 USD
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Alpha® 100
$599.99 USD
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Astro® 430
$449.99 USD

You're a hunter who wants to see your dogs's locations with just a quick glance. You need this lightweight and compact handheld.

You’re a hunter who needs to keep an eye on the pack and keep in touch when it matters. You need this rugged dog tracking and training handheld with inReach® technology.

You want to achieve optimum performance from your sporting dogs. This easy-to-use handheld has the tracking and training features you need.

You need a powerful tool to track more dogs with more accuracy. This handheld helps you keep track of your pack and analyze their habits in the field.

General

Dimension 2.3 x 4.8 x 1.1” (5.8 x 12.1 x 2.9 cm); dimensions do not include antenna 2.7 x 6.4 x 1.3” (6.8 x 16.2 x 3.4 cm) *dimensions do not include antenna 2.5 x 6.5 x 1.5” (6.4 x 16.5 x 3.8 cm) 2.4" x 6.3" x 1.4" (6.1 x 16.0 x 3.6 cm)
Weight

5.6 oz (160 g) with standard antenna and spine mount attached

9.9 oz (280 g) with standard antenna and battery

 8.8 oz (250 g) with standard antenna and battery 9.2 oz (260.1 g) with batteries
Waterproof IPX7 IPX7 IPX7 IPX7
Touchscreen
Display Type sunlight-readable, monochrome, transflective memory-in-pixel (MIP) transflective, color TFT touchscreen transflective, 65-K color TFT touchscreen transflective, 65-K color TFT
Display Size 1.8" (45 mm) diagonal 1.8" W x 3.0" H (4.7 x 7.7 cm); 3.5" diag (88.9 mm) 1.53"W x 2.55"H (3.8 x 6.3 cm); 3" diag (7.6 cm) 1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
Display Resolution 128 x 128 pixels 282 x 470 pixels 240 x 400 pixels 160 x 240 pixels
Battery type rechargeable internal lithium-ion; nonreplaceable rechargeable lithium-ion (included) rechargeable lithium-ion (included) Optional NiMH pack or 2 standard AA (not included)
Battery life

up to 1 week (40 hours of use)

up to 20 hours; up to 15 hours with inReach® technology enabled

 up to 20 hours (Alpha 100) up to 20 hours (Astro 430)
Memory/History 16 GB 4.0 GB 4 GB
Interface microUSB™ high-speed USB

Maps & Memory

Preloaded maps

yes (TopoActive)

 yes (topographic)

yes (TOPO)
Ability to add maps
Basemap
Automatic routing (turn by turn routing on roads) for outdoor activities Yes (with optional mapping for detailed roads) Yes (with optional mapping for detailed roads) Yes (with optional mapping for detailed roads)
Satellite Imagery yes, direct to device (no annual subscription required)
External memory storage microSD™ card (not included) microSD™ card (not included) microSD™ card (not included)
Waypoints/favorites/locations 10000 4000 2000
Tracks up to 20 dogs (TT and T series) and buddies (Alpha 100 and Alpha 200i) simultaneously
Navigation Track Log 20,000 points, 250 saved gpx tracks, 300 saved fit activities 10,000 points, 200 saved tracks 10,000 points, 200 saved tracks
Navigation Routes 250 200 200
Stored contacts 250 dogs
Group management

Sensors

Barometric altimeter
Compass Yes (tilt-compensated 3-axis) Yes (tilt-compensated 3-axis) Yes (tilt-compensated 3-axis) Yes (tilt-compensated 3-axis)
High-sensitivity receiver yes (GPS and Galileo)

Safety and Tracking Features

LiveTrack yes (with Garmin Explore™)

Outdoor Recreation

Area calculation
Fish forecast
Sun and moon information
Geocaching-friendly Yes (Paperless)
Custom maps compatible

inReach® Features

Interactive SOS
Send and receive text messages to SMS and email
Exchange locations with other inReach device
Virtual keyboard for custom messaging
Send waypoints to MapShare during trip
Send route selection to MapShare during trip

Radio Features

Frequency band MURS MURS
Range TT and T Series, 9 miles; TT mini and T mini Series, 4 miles TT and T series, 9 miles; TT mini and T mini series, 4 miles

Outdoor Applications

Compatible with Garmin Explore™ app
Garmin Explore website compatible

Connections

Connections Wireless Connectivity

yes (BLUETOOTH® Low Energy and ANT+®)

yes (Wi-Fi®, BLUETOOTH® and ANT+®)

Additional

Additional
  • Track storage: up to 10 days
  • Range (line of sight): TT 15, 9 miles; Mini, 4 miles
  • Frequency band: MURS (The T 5, T 5 mini, TT™ 15 and TT 15 mini are only compatible with the Astro® 320 and the Alpha™ 100. The T 5, T 5 mini, TT 15 and TT 15 mini can be configured for operation with either handheld but cannot be tracked simultaneously by both the Astro 320 and the Alpha 100.)
  • Tracks up to 20 dogs (TT 10/15/15 mini and T5/5 mini) and buddies (Alpha 100) simultaneously
 

Specs for the TT™ 15/15 mini dog devices
  • Range (line of sight): T Series: 9 miles; T mini Series: 4 miles
  • Frequency band: The T Series and the TT Series dog collars cannot be tracked simultaneously by both the Astro 320 and Astro 430.
  • Handhelds vibration mode: yes
  • Tracks up to 20 dogs simultaneously

​Specs for T 5 mini dog collar

Specs for T 5X dog collar