CPC G07C 9/29 (2020.01) [G06K 7/10297 (2013.01); G06K 7/10366 (2013.01); G07C 9/00182 (2013.01); G07C 9/00309 (2013.01); H01Q 5/25 (2015.01); H04W 4/80 (2018.02); H04B 1/69 (2013.01)] | 18 Claims |
1. A reader system for an access control system, the reader system comprising:
first and second antennas;
a first controller configured to communicate with a credential device using a first communication protocol via the first antenna to exchange a credential with the credential device; and
a second controller configured to communicate with the credential device using a second communication protocol via the second antenna to perform ranging for the credential device, wherein the second controller is configured to communicate with the first controller via a wireless communication link.
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