1, GPS location 2, Data sent by GSM/3G 3, Auto collecting and upload data 4, ... function, which can know position well2, Data send to serve by GSM/3G network.3, Collecting and upload data from tags ... Maximum identification range is 100 meters and can be adjusted by attenuator6, Simultaneously identifying up to 200 tags7, Ultra low power ... many fields,We welcome your inquiry, Thank you!! RFID/GPS Reader