In some embodiments, interrogator circuitry 534 may be configured to provide RF signals to the interrogator transmit antenna 524 and receive RF signals from the interrogator receive antenna 526. Interrogator circuitry 534 may be implemented in any suitable way described herein including in any of the ways described with reference to FIGS. 8A-8D and 11A-11B. In some embodiments, target device circuitry 536 may be configured to receive RF signals from the target device receive antenna 530 and to provide RF signals to the target device transmit antenna 528. Target device circuitry 536 may be implemented in any suitable way describe herein including in any of the ways described herein with reference to FIGS. 9A-9H, 10, and 11A-11B.
FIG. 6A is a block diagram illustrating components of an example interrogator device 600, in accordance with some embodiments of the technology described herein. The interrogator device 600 is illustrated along with dimensions of some of the components thereon to provide a sense of scale of the device and the components. It should be appreciated that these dimensions are illustrative of the example embodiment of FIG. 6A, but do not limit the dimensions of the interrogator device and/or its components in other embodiments.
