(A) In general -- The term 'assistive technology device' means any item, piece of equipment, or product system, whether acquired commercially off the shelf, modified, or customized, that is used to increase, maintain, or improve the functional capabilities of a child with a disability.
(B) Exception -- The term does not include a medical device that is surgically implanted or the replacement of such device. (Source: https//sites.ed.gov/idea)
- telephone/communication-notification-amplification devices
- alerting devices - Home modification list
- alerting and communication devices
designed to help deaf and hard of hearing individuals in their social interactions.
A great informational resource on assistive technologies.
Assistive Technology Blog: Lots of different assistive options