Use the rewritable RFID 125kHz key tag in access control systems, security devices, time and attendance, or in alarms and other equipment that works with radio-frequency identification. 

The product has a factory pre-programmed ID that can be custom rewritten as needed by the user. 

Frequency: 125kHz 

Data Format: RFID 

Units per package: 1000

• Material:

  ABS

• Dimensions:

  40 x 32 x 4 mm (unit)

• Weight:

  4 g (unit)

• Frequency:

  125kHz

• Water resistant:

  Yes

• Operating temperature:

  -10° C a 60° C

• Maximum reading distance:

  9 cm

• Reading time:

  2 ms

• CHIP Type:

  T5577

• Memory:

  330-bit EEPROM (rewritable chip)

• Color:

  Black