I don't know what you mean by being on a module but it's on a thing with pin like this one : http://www.google.fr/imgres?imgurl=http%3A%2F%2F3.imimg.com%2Fdata3%2FCV%2FLA%2FMY-1833510%2Fbluetooth-module-breakout-hc-05-250x250.png&imgrefurl=http%3A%2F%2Fdir.indiamart.com%2Fmumbai%2Fbluetooth-module.html&h=250&w=250&tbnid=Y_8d5kRzZddevM%3A&zoom=1&docid=l27uPLLns4B5NM&ei=9exOU76ADomOO6_BgeAP&tbm=isch&iact=rc&uact=3&dur=232&page=1&start=0&ndsp=19&ved=0CIUBEK0DMA8
