1. 3.53 Model
2. 8.2mhz frequency
3. 157x200MM
4. High sensitivity, Steady, Self-locking function
5. Hard Tag:1m-1.5m
Soft label:85cm-1.2m
6. Fit for 3 loops RF Antenna
7. One set: 1pcs mono board and 1pcs buzzer
Notice: This mono board is updated from 3.51, more steady than before.