I have no information to recommend an antenna like that, but I there was a post from someone who build a running trail solution. ( Simultaneous RFID with motion sensor - #5 by PBrad ) Maybe their solution can help you.
I have no information to recommend an antenna like that, but I there was a post from someone who build a running trail solution. ( Simultaneous RFID with motion sensor - #5 by PBrad ) Maybe their solution can help you.