GPS Solar Ear Tag Unit Specifications: • GPS Receiver • Solar charging system capable of recharging from 0% to 100% within 6 hours • Lithium-ion battery • Internal satellite antenna • Direct satellite linkage via transmitter • Motion sensor • Bluetooth linkage to units via phone application • Mortality notification capabilities • Electronics to withstand temperatures ranging from -20 C to +60 C • Battery charging system to withstand temperatures ranging from -10 C to +50 C • Transmission of a minimum of 8 GPS positions per day • The unit manufacturer must provide data viewing and management of software and also provide a data viewing app for remote viewing in the field • Ear tag sizes to fit female mule deer (≥ 1.5 years of age), female pronghorn (≥ 1.5 years of age), and male mule deer (≥ 1.5 years of age) • Unit weight < 35 grams • Units must have a minimum of two points of attachment to the ear • Software shall have ability to download, view, export and incorporate data in multiple formats