The Exo 400 from Omni-ID, Ltd is a RFID Tag with Operating Frequency 866 to 868 MHz (EU), 902 to 928 MHz (US), EPC Memory 96 Bits, TID Memory 64 Bits, User Memory 512 Bits, Operating Temperature -20 to 85 Degree C. Tags: RFID Metal Tag. More details for Exo 400 can be seen below.