4g Pet Gps Tracker. Specifications: Overseas Version of the Frequency Band : LTE FDD: B1 B2 B3 B4 B5 B7 B12(17) B28A WCDMA: Band 1\2\5 GSM: Band 2\3\5\ Storage :256M+512M GPS Signal :L1,1575.42MHz C/A GPS Channel Number :22 Channels GPS Chip Receive :sensitivity Tracking Sensitivity-165dBmcapturesensitivity-148dBm GPS Location Accuracy :5-15m WIFI Indoor Positioning 20-100m LBS Location Accuracy :100-1000m Working Temperature :-2070 Working Humidity :5% to 95% Non-congealable Test and Certification :CE Certification GPS Antenna :High Sensitive Ceramics Active Antenna GSM Antenna :Radium Antenna G-sensor :Support MIC :Support Functions: Support Operate System Support 2.3 and Above Android System, IOS 5.0 and Above Call Function :two Way Talk/SOS Calling/ White List/ Do Notdisturb Mode Language Support :English, Many Other Languages Support Multi-languages Position :GPS+WIFI+LBS Positioning Support AGPS :Cool Start 26 Seconds Positioning Power Manage :Ultra-low Power Consumption Management, Intelligent Dormancy :one Key SOS ,Press SOS Key, Automatic Dial-up Number Smart Geo-fence :Can Automatic Alarm when In/out of Range Historical Route :Can Check Three Months' Historical Route Wireless Upgrading :Software Remote Upgrading, Remote Debugging . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.