# Spatial scans that aren’t optical

**URL:** <https://community.sparkfun.com/t/spatial-scans-that-aren-t-optical/43654>\
**Category:** Distance\
**Created:** [March 24, 2022, 1:24am UTC](https://community.sparkfun.com/t/spatial-scans-that-aren-t-optical/43654 "2022-03-24T01:24:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jb\_s\_sf](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/jb_s_sf/32/7870_2.png) [@jb\_s\_sf](https://community.sparkfun.com/u/jb_s_sf)\
**Post date:** [March 24, 2022, 1:24am UTC](https://community.sparkfun.com/t/spatial-scans-that-aren-t-optical/43654/1 "2022-03-24T01:24:11Z")

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Are there spatial scans that aren’t optical, so I don’t have to worry about there being an obstructed line of sight?

Thank you.

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**Author:** ![TS-Russell](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/ts-russell/32/6092_2.png) [@TS-Russell](https://community.sparkfun.com/u/TS-Russell)\
**Post date:** [March 24, 2022, 9:56pm UTC](https://community.sparkfun.com/t/spatial-scans-that-aren-t-optical/43654/2 "2022-03-24T21:56:08Z")

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BLE and RF Tracking are both technologies that attempt to accomplish this task (each with relative advantages/disadvantages)