Low cost EM format Stand Alone 125KHZ RFID READER For Access Control Sytem? ? ? ? ? ?? This reader is supplied in a?PCB board?containing??RF circuits, an?8-bit microcontroller?and?data output connections. ? ? ? ? ? ? ? ? ? ? ? ? ? ? General Features? ? ? ? ? ? ? ? ? ? ? ? ?? ? . 125KHZ carrier frequency?????????????????????????????????????????????????????? ? . Reading of amplitude-modulated transponders?????????????????????? ? . Efficient tag management??????????????????????????????????????????????? ? . Easy to build up a control system?? ???????????????????????????????????????? ? Brief Description ? . An RFID reader system . Output is RS232 and WG26 . Reading distance is up to 10cm for ISO card ? . Include A 10-cm diameter square antenna coil ? . An external DC 12V voltage that provides ? .?0.2A current power supply is needed ? .?The card with EM format is needed ? ? The Data Connection of Reader ?

Number	Color	Name	Description
1	RED	DC + 12V	DC + 12V POWER
2	BLACK	GND	GND
3	WHITE	D0	WEIGAND 26 DATA0
4	GREEN	D1	WEIGAND 26 DATA1
5	YELLOW	LED	LED Control line, the color of the light from red to green as LED pilled down
6	BLUE	BEEP	Buzzer Control line, the buzzer beep as BEEP pulled down
7	PURPLE	RS232	RS232 data line
8	GREY	No use	?

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