How small? What do you want to track? How far away?

There are all sorts of tracking devices around for all sorts of applications.

Please give some details of what you want to do.

A puzzle here.

I and others replied to this Topic, but the Posts seem to have vanished.

The Posts in the similar Topic also vanished

I noticed that - thought I was imagining it!

Ask Chris L.

Is he/she cheat'n on you?

Wangito.

PS, The way you put your question, merits such an answer. If you really want to be help. at least put SOME effort in researching first. Googling "Miniature tracking device" brought 25,500,000 hits in 0.17 seconds.

Please take the one the government implanted in my head

What about the ones that convicted felons have to wear on their ankles? I seem to have heard about watches for children that have GPS tracking capability. These answers are just off the top of my head. I have installed GPS tracking devices in automobiles; not miniature but fairly covert.

Yes. A Private Investigator.

A Dwarf Private Investigator...

A number of cell phones have GPS tracking built in as a "feature". Just turn on the phone and silence the ringer

If you are looking for something really small and light weight that you can use to track something out in the fields, there are a number of small devices that Amateur radio operators use for their fox-hunts. These are just a tiny single frequency transmitter giving a burst signal at either regular or irregular intervals that contains a digital ID tag.