Biometric passports are equipped with a computer chip and an antenna, similar to contactless credit cards. When the passport chip is within 4 cm (1.5 inches) of another transmitting antenna, it induces power within the chip, allowing it to send and receive signals.
The passport chip contains your name, date of birth, and passport details, as well as encrypted biometric information used for facial, retina, and fingerprint recognition.
During passport inspection, these details are compared with the traveler’s scanned information at passport control. If they match, a small door will open to allow passage.
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Interviewer: Freddie Herbert, Chelmsford
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