EM card reader module

1?Output format: TTL level RS232 W26/W34

2?Input Voltage: 5V.
3?Reading distance: 5-15cm.
4?Card type: 125KHz EM or compatible ID
5?Input current: less than 15mA.
6?Pin out drawing:
( 1 )GND
( 2 )+5V
( 3 )D0( TXD for RS232 )
( 4 )D1( NC for RS232 )
( 5&6 )antenna
( 7 )NC
7?Antenna: L=345uH~490uH( size: 35mm X 50mm, use 0.2mm magnet wire, 51turns )?
8?Module zise: 2.5( long ) X 4( wide ) X 0.6( high ) cm
9?RS232 format: port setting 9600,N,8,1, data format: 4byte card number in Hex Or by customer requirement
EM card reader module