There's a very good reason why it looks like an antenna. That's because it is one!
The chip is an RFID one
http://en.wikipedia.org/wiki/RFID#Passports
which contains the data for the new facial recognition system, with the antenna being used to increase the signal range & quality.
ITS A DEVICE WHICH WHN E ACTIVATED PREVENTS YOU LEAVING A COUNTRY...WATCH UTUBE....ESOTERIC AGENDA......THATS WHATS HAPPENING IN THE WORLD......WAKE UP PEOPLE