4G LTE Alzheimer Patients Prisoners Offenders Parolee Management GPS Tracking Bracelet Watch with Key Locker

4G LTE Alzheimer Patients Prisoners Offenders Parolee Management GPS Tracking Bracelet Watch With Key Locker  R18 is totally new product and designed for offender and quarantine people management.  It is a gps watch tracker that cannot be removed when is wore on the wrist. Its strap has a lock, if someone remove it or cut it off, it will give alert. And for convenience, it comes with a power bank for charging, so that the wearer can charge it wherever.Features: 1) Waterproof IP68; 2) 4G LTE; 3) GPS, WIFI, LBS location; 4) Bluetooth and indoor location; 5) RFID and NFC; 6) Update data at interval 5 minutes and 10 minutes; 7) Two way call; 8) Show time; 9) Can enable emergency mode and recover to normal mode (via APP); 10) Geofence (safe zone) and alert; 11) SOS button; 12) G-sensor (save battery, if the bracelet not moves over 24 hours, trigger an alert); 13) Watchband lock (the wearer cannot take off the bracelet); 14) IR-sensor (take off alert); 15) Close the bracelet remotely; 16) Magnetic charge (it also can charge when the bracelet is wearing); 17) Low battery alert; 18) Count step; 19) Over speed alert; 20) Upload altitude data.Specifications:Items ParametersMain:Operation Systemmocor5 32bitGSM/GPS ChipsetSpreadtrum 9820E  (1.2GHz Dual-core ARM CortexTM A7MP processor)GSM FrequencyFDD: B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A                    WCDMA: Band 18          GSM: Band 28Data Rate2G: EDGE 3G: DC-HSPA+.2.2Mbps 4G: CAT4SIM CardNANOStorage:Memory ChipsetPN614G8D2TE-B8BE0ROM4GByte NANDRAM2GByte LPDDR2Location:GPS SignalL1,1575.42MHz C/A codeGPS Channel22GPS SensitivityTracking: -165dBm, Acquisition: -148dBmGPS Positioning Accuracy5-15mHot Start