It's comprehensive and easy to use.  There is information about 100 non-voice products and 250 voice  products on 67 downloadable pages.  Updated quarterly. You will be able to download it for 30 days. 

Includes:
 non-voice communication tools
variety of  digitized devices categorized by numbers of message keys
photos of each product
 manufacturer/distributor information
 features listed for each item
lists of client characteristics (i.e. individuals who might benefit from the item)

It's comprehensive and easy to search using the "Find Function" under "edit" menu of any PDF reader

Print in landscape on 8.5" x 11" paper

This chart complements the Device Assistant since it includes the low cost devices not included in the Device Assistant.

30-day access - so download as much as you like. . . . enjoy!