1, GPS location 2, Data sent by GSM/3G 3, Auto collecting and upload data 4, Omni- ... GPS function, which can know position well2, Data send to serve by GSM/3G network.3, Collecting and upload data from tags ... range is 100 meters and can be adjusted by attenuator6, Simultaneously identifying up to 200 tags7, Ultra low power consumption8, Anti-jamming ...