... , GPS location 2, Data sent by GSM/3G 3, Auto collecting and upload data 4, Omni-directional or oriented 5 ... well2, Data send to serve by GSM/3G network.3, Collecting and upload data from tags automatically4, Provide omni- ... oriented antennas5, Maximum identification range is 100 meters and can be adjusted by attenuator6, Simultaneously identifying up ... welcome your inquiry, Thank you!! RFID/GPS Reader