An analyte monitoring system , comprising: a sensor configured to take measurements indicative of analyte levels; a sensor electronics unit communicatively coupled to the sensor, wherein the sensor electronics unit is configured to: receive the analyte measurement data indicative of analyte levels from the sensor; transmit a first portion of the analyte measurement data indicative of analyte levels using a first communication protocol that is Bluetooth or Bluetooth Low Energy, BLE; receive a data request command using a second communication protocol that is near field communication, NFC, or radio-frequency identification, RFID; and in response to the data request command, transmit a second portion of the analyte measurement data indicative of analyte levels using the second communication protocol, a display device configured to: receive the first portion of the analyte measurement data indicative of analyte levels using the first communication protocol; transmit the data request command to the sensor electronics unit using the second communication protocol; and receive the second portion of the analyte measurement data indicative of analyte levels using the second communication protocol in response to the data request command. a sensor configured to take measurements indicative of analyte levels; a sensor electronics unit communicatively coupled to the sensor, wherein the sensor electronics unit is configured to: receive the analyte measurement data indicative of analyte levels from the sensor; transmit a first portion of the analyte measurement data indicative of analyte levels using a first communication protocol that is Bluetooth or Bluetooth Low Energy, BLE; receive a data request command using a second communication protocol that is near field communication, NFC, or radio-frequency identification, RFID; and in response to the data request command, transmit a second portion of the analyte measurement data indicative of analyte levels using the second communication protocol, a display device configured to: receive the first portion of the analyte measurement data indicative of analyte levels using the first communication protocol; transmit the data request command to the sensor electronics unit using the second communication protocol; and receive the second portion of the analyte measurement data indicative of analyte levels using the second communication protocol in response to the data request command. receive the analyte measurement data indicative of analyte levels from the sensor; transmit a first portion of the analyte measurement data indicative of analyte levels using a first communication protocol that is Bluetooth or Bluetooth Low Energy, BLE; receive a data request command using a second communication protocol that is near field communication, NFC, or radio-frequency identification, RFID; and in response to the data request command, transmit a second portion of the analyte measurement data indicative of analyte levels using the second communication protocol, a display device configured to: receive the first portion of the analyte measurement data indicative of analyte levels using the first communication protocol; transmit the data request command to the sensor electronics unit using the second communication protocol; and receive the second portion of the analyte measurement data indicative of analyte levels using the second communication protocol in response to the data request command. receive the first portion of the analyte measurement data indicative of analyte levels using the first communication protocol; transmit the data request command to the sensor electronics unit using the second communication protocol; and receive the second portion of the analyte measurement data indicative of analyte levels using the second communication protocol in response to the data request command. <EOS>