... Passive Antenna,GPS Active navigation Antenna.. GSM internal antenna &GSM/GPRS PCB antenna1)GSM internal antenna &GSM/GPRS PCB antenna,GPS Active ... Antenna,WIFI Antenna2)GPS Passive Antenna,GPS Active navigation GSM internal antenna,GPS Active Antenna,GPS+GSM Antenna,WIFI Antenna,GPS ... to 2 hours recovery time under normal temperature.WaterproofPut the antennas in 1m deep water for 12h, and find 100% ...