AirTag

Largely three types (and some combine these options): Apple AirTags / equivalent Android tech -- Limited distance and you have to be around devices to be able to use the finding networks. They are generally the smallest and lightest options and better in higher population areas. Good interoperabilit

For a 4-month-old puppy, you definitely want to think carefully about weight and bulk. Here's what you should know about AirTags for dogs: AirTag Pros: · No monthly subscription - One-time cost of $29 vs. GPS trackers that charge $5-15/month · Lightweight - Only 11 grams, won't bother most dogs · Lo