1.Working frequency:ISM 2.4GHz ~ 2.5GHz 2. Ultra-long operating Range (1500meters) 3. Active operating model, read-only SAAT-T505 active RFID tag operates in the 2.45GHz band, with ultra-long read range (up to 1500m), it adopts high-tension industrial structure, with pressure resistance and high protective characteristics, which is suitable for access management of fishing boats, containers, ...