There is provided a method of wirelessly exchanging glucose information between a first communication device associated with a continuous glucose sensor and a second communication device associated with a glucose information display device. The method includes: transmitting a first beacon using the first communication device, the first beacon comprising a first device ID； receiving the first beacon using the second communication device； determining, using the second communication device, if the first device ID transmitted by the first communication device matches a second device ID stored at the second communication device； and executing an authentication protocol, using the second communication device, if the second communication device determines that the first device ID matches the second device ID.
