Garmin Alpha 300 vs 300i

The only meaningful difference between the Garmin Alpha 300 and 300i is inReach: the 300i has built-in satellite two-way messaging and SOS on a subscription; the 300 does not. Tracking, training and collar support are identical. Buy the 300i only if you will use the satellite features.

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What is the same

Both are current-generation Alpha handhelds with the same 3.5-inch sunlight-readable touchscreen, the same VHF tracking out to 9 miles, the same 18-level training, and the same support for up to 20 dogs on TT 25 and T 20 collars. For the dog work itself, they are the same unit.

What the 300i adds

The 300i adds inReach satellite messaging and SOS over the Iridium network, which works with no cell or VHF coverage, for a subscription. That is the whole upgrade.

Feature	Alpha 300	Alpha 300i
Dog tracking and training	Yes	Yes
Touchscreen	Yes	Yes
inReach satellite messaging / SOS	No	Yes (subscription)
Subscription required for full use	No	Yes, for inReach

Which to buy

If you hunt beyond cell coverage and want an SOS lifeline and the ability to message out, the 300i earns the premium. If you stay within range of help or always run with others, the 300 saves you the hardware cost and the ongoing plan. See the full lineup on the comparison page.

300 and 300i on Amazon

The Garmin Alpha 300 and 300i on Amazon:

Frequently Asked Questions

Is the 300i worth the extra money?

Only if you will use inReach. The satellite messaging and SOS matter in country with no cell signal; otherwise the 300 does the identical dog-tracking job for less.

Does the 300i need a subscription?

For the inReach features, yes. It still tracks and trains dogs without an active plan.

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