Hi everyone!
I had a short question regarding RFID card readers and RF transmitters/receivers. As far as I understand these devices create an electromagnetic field around them. I am wondering whether it is safe to put f.ex. an RFID tag reader ([link) or an RF transmitter ([link) in very close proximity to a harddrive or any other powered on and functioning computer equipment?
Thanks in advance!](http://www.sparkfun.com/commerce/product_info.php?products_id=8945)](RFID Reader ID-12LA (125 kHz) - SEN-11827 - SparkFun Electronics)