Specification :

LF 125KHz RFID reader module-05 Main Features:
o Working frequency: 125KHz
o Reading Range: up to 5-11 cm
o Audio / light indication: signal lamps
o Reading or writing standard charts: EM4001 & TK4100

It is compatible with 125KHz frequency chips just like EM4001,TK4100.With a very good performance,it provides a very low cost, only about 28USD.

LF 125KHz RFID Reader module- 06 Details:
o Working frequency: 125KHz
o Reading or writing standard charts: EM4001
o Reading Range: up to 5-11 cm
o The output interface: USB
o Audio / light indication: signal lamp
o Operating Temperature: -30 degree to +40 degree

In addition to the small dimension of almost the size of a business card, the reader features low power consumption. By connecting the 125KHz reader to PC via a USB interface,the integrated device can be used for most RFID applications such as access control, time and attendance, industrial automation, process control, logistics, and supply chain management.

Please visit http://www.rfid-in-china.com/products_700_1.html for more infomation about LF 125KHz RFID reader.