Features 1. Communicate via LoRa， No SIM card required LoRaWAN compliant, create a reliable backup communication network for use when cell service is down. Highly sensitive radio receiver available in 868 or 902~928Mhz versions for global LoRaWAN connectivity. 2. Industry-Leading Battery Life & Reliability Each tracker is equipped with two replaceable 19000mah battery, battery life as long as 3 years @ 1 location per hour, A notification is sent when the battery power falls below 20%. 3. Build-in GPS/GLONASS and BLE chipset, support indoor and outdoor positioning 4. Rugged & waterproof IP67 Water-Proof design Weight just 360g. 5. Easy Integration Easy integration with comprehensive documentation and a flexible and open payload format 6. Specification Frequency Band 868~928MHz，Optional Battery Specs 38000mah Li − SOCl2 battery, Non rechargeable Temperature -45~+75℃ Dimensions 185*57*53mm (Weight 360g) Communication range 9 KM LoS 3~5KM in dense environment Transmit Power +18dBm Modulation LoRa Modulation Patented by Semtech Protection Requirements IP67 Positioning solution Indoor 5-8M, outdoor 20M