Sweet. Did this phone require the band-pass filter removed to get both audio streams?

On Wed, Dec 29, 2010 at 6:54 PM, Sébastien Lorquet <squalyl@gmail.com> wrote:

(
sorry for the spam: original source
http://www.wired.com/threatlevel/2010/12/breaking-gsm-with-a-15-phone-plus-smarts/
)