1. Card collision algorithm.
2. Weather proof.
3. Self-diagnostic.
4. Tamper switch.
5. Transmit distance: 100M.
6. Build-in transceiver/receiver, watch Dog.
7. Surge protection.
8. ESD protection: -+2.5KV.
9. Buzzer.
10. Operation temperature: 0 ℃ ~ 65 ℃.
11. Operation humidity: 5% ~ 95%.
1. BF-604 EW/MW card reader transceiver unit is designed for reading code from uem4100 compatible readonly tags and is a major component in RFID (radio frequency identification) reader system. It supports a 3 x 4 keypad to facilitate auxiliary password input. It can be applied in office/home security, personal identification, access control and production control systems etc. 2. RFID card type: EM and compatible type MIFARE 1. 3. Card format: 125K. 4. Active distance: EM 18cm , Mifare 5cm. 5. Support 12 keypad for password input. 6. Time for card verification: 100ms. 7. Time for pin verification > 100 ms. 8. Power consumption: Avg. 30mA. 9. Communication: W26/W34. 10. LED: 3. 11. Operation power requirement: 9~15VDC. 12. Weight: 235g. 13. Dimension: 109 x 88 x 33 mm.