Global Locator Real Time Pet GPS Tracker For Pet Dog/Cat GPS Collar Tracking Free Platform|GPS Tracker How to USE: 1.GPS tracking can be worked outdoor. 2.Please make sure GSM SIM card supports making calls, sending messages, GPRS network. 3.Please make sure GSM SIM card is with sufficient balance. 4.Please make sure the GSM card has opened the call shows and turned off the call transfer. 5.Please insert the GSM phone card correctly. 6.Do not assembly and disassembly device at will FAQ: Fail to turn it on Please check if battery is charged No GSM signal 1- Please check if SIM card installed correctly. 2- Please check if SIM card is GSM network. 3- Don't turn on the PIN code 4- no calls can be diverted 5- Please check if voltage of the power is normal 6- Please check if voltage of the power is normal No GPS signal A more open view of the sky is recommended to make sure the device can receive the GPS signal normally. No reply to SMS command Password wrong or the format is wrong. No reply to calling & No alarm message Authorized / admin phone number is incorrect or has not setup SMS position OK, cannot use the APP and web platform Pls check if APN is correctly set. And pls find out the correct APN content of the SIM card. Platform position is difference from the actual position No uploading position time or no GPS signal: call the device phone number and receive the position message. Network: GSM/GPRS GPRS Band: 850/900/1800/1900Mhz gprs tracker GPS sensitivity: -159dBm Waterproof Tracker GPS accuracy: 5m GPS Tracker Time To First Fix: Cold status 45s Waterproof, Warm status 35s ,Hot status 1s Stand by: 200hours pet GPS Storage Temp: -40 to +85 centigrade degree Operation Temp: -20 to +55 centigrade degree Humidity: 5%-95% non-condensing