... RFID TransponderDescription Active RFID Tag1, Each Tag with unique ID number2, With battery inside, the life can more than 2 years3, ... to 80m3, High-security, long-range, bi-directional4, Powerful anti-jamming capability5, Very low cost, read-only tag6, Tags are often ... within 80 meters at the same time2, Reader can combine with GPS module3, Anti-collision techniques4, Allow multiple readers to be ...