Operating Frequency | 902 MHz - 928 MHz | 902 MHz - 928 MHz | 860 MHz - 930 MHz | 860 MHz - 930 MHz |
Air Interface | AM PWM | AM PWM | Pulse Interval ASK | Manchester ASK |
Bit Period | NA: 25 µs/12.5 µs EU: 62.5 µs | NA: 14.25 µs EU: 66.67 µs | Data ‘0’: 20 µs Data ‘1’: 40 µs | 125 µs/25 µs |
Data Rate | NA: 40/80 kbps EU: 16 kbps | NA: 70.18 kbps EU: 15.00 kbps | 33 kbps (1) | 8/40 kbps |
Worst-case Duty Cycle | 52% Data ‘1’ low for 6 µs | 62.5% Data ‘1’ low for 3To/8 | 50% Data ‘0’ low for 10 µs | 50% Manchester code |
Modulation Depth [Min, Max] | [20%, 100%] | [30%, 100%] | [27%, 100%] | Nom 15%: [13%, 17% Nom 99%: [90%, 100%] |
Air Interface | Passive Backscatter: FSK | Passive Backscatter: Pulse Interval AM | Passive Backscatter: Bi-phase Space AM | Passive Backscatter: Bi-phase Space AM |
Bit Period | NA: 25 µs/12.5 µs EU: 62.5 µs | NA: 7.13 µs EU: 33.33 µs | 25 µs | 25 µs |
Data Rate | NA: 40/80 kbps EU: 16 kbps | NA: 140.35 kbps EU: 30.00 kbps | 40 kbps (1) | 40 kbps (1) |
Forward-to-reverse Link Turnaround | Not Applicable (2) | NA: 114 µs EU: 534 µs | Shall not exceed 100 µs | Shall not exceed 100 µs |
Reset Signal Duration | 800 µs (CW) | 64 µs (CW) | 300 µs (CW) | 400 µs (CW) |
Collision Arbitration | Deterministic binary tree search | Deterministic/Slotted | Adaptive | Probabilistic binary tree search (3) |
Tag Read Speed | Nom: 200 tags/sec Max: 800 tags/sec | Not specified | Nom: 100 tags/sec (~10 ms/tag) | Nom: 100 tags/sec (~10 ms/tag) |
Tag Capacity | Not limited by standard | ~300 (4) | ~300 (4) | ~300 (4) |
Memory Type | Read-only | User programmable | User programmable | User programmable |
Memory Organization | EPC: 64/96 bits Kill Code: 24 bits Total: >=120 bits | EPC: 64/96 bits Kill Code: 8 bits Total: >=104 bits | Up to 256 blocks w/256 bits/block (64 kBits) | Up to 256 blocks w/8 bits/block (2 kBits) |
Features | Moderate D0/ID1 + 24 bit kill passcode | None Reader broadcasts all or part of ID code. Reader can request kill passcode. | None Reader broadcasts UID/SUID. Production set block lock bits. No kill command. | None Reader broadcasts UID/SUID. Production set block lock bits. No kill command. |