Globalstar Solar Avian GPS tags are based on a 56 channel GPS receiver within a nitrogen filed enclosure.  Transmits the collected data in real time from the field t the internet using the Low-Earth Orbit Globalstar satelite system.  Solar rechargeable Li-Polyment battery. 

• No External Antenna.
• Solar Powered For Long Operational Life
• Internal 56-Channel GPS Engine; Uplink via Globalstar Satellite System — Heading, Altitude, and Speed Recorded With Each GPS Fix.
• Truly Real-Time Data From Field To Web
• Accelerometer Readings in 1, 5, or 10 Hz Bursts
• Field Downloadable & Reprogramable Without Recapture Via Bluetooth link
• Temperature and Accelerometer included.Geofences Available.
• GPS fixes per day: 1 to 48, based on solar charging conditions.
• Rechargeable Li-Polymer Battery
• Nitrogen Filled Enclosure