Now is the time to start planning for next year's field season! If you are going to do smolt tagging in 2015, you might want to have a look at our tiny 7,3mm ID tags. Only 7,3x18mm in size and a weight of just 1,2 gram in water. It will operate on 69kHz or other frequencies by your request (60-80kHz), with excellent lifetimes. We are happy to answer questions and offer price quotes for your projects, anytime!