Whether you want field replaceable batteries, an extra strong electronics housing, or whatever your special needs you have come to the right place. The Telemetry Solutions' large mammal GPS collars are built on an electronic platform that lends itself to customization.We have a variety of large mammal products such as standard GPS collar, Iridium collar, GPS pod and solar GPS pod. Please scroll down and look at the standard features and options of each product. If you already have VHF collars, consider upgrading them into GPS collars. Our cost effective GPS pods can be shipped shortly after an order is placed. Please watch the video to see how easy it is to attach a GPS pod to an existing VHF collar.