Our 3 gram LTE cellular transmitter has broken the weight barrier yet again. Makes exculsive use of 4G LTE M1 technology.

Our smallest LTE+GPS transmitter, with weights as low as 10 grams. The ES420 contains all of the features of the ES400, but in a much smaller package. Exclusively 4G LTE-M1 technology.

With world band LTE/GSM capability, the ES400 CTT® comes in a variety of form factors and weights. The ES400 features an internal antenna, precision GPS, 3 axis accelerometer, geofence capability, multiple duty cycles, Over-The-Air programming, ActivityIndex™ and advanced solar recharging. With 2G, 3G and 4G capability.

Contains all of the technologies of the ES-400, complete with Argos satellite technology for functionality outside cellular coverage areas. Great for migratory species that spend extensive amounts of time outside the coverage area.

The ES600 features all of the technologies of the ES400, but with the high availbility and bandwidth of the Iridium satellite network.

Learn more about Cellular Networks, and how LTE M1 will, yet again, revolutionize wildlife telemetry.

The lowdown on GPS, GNSS, Argos Doppler Shift and Cellular Location Technologies

Check out all of our other products, including radio tags, satellite tags, base stations and accessories.