Three modules are included:

1) Parallax BASIC STAMP Say-It Voice Recognition Module (#30080). Documentation can be found at:

https://www.mouser.com/datasheet/2/321/30080_SayItModulev1.2-2978.pdf

or:

https://drive.google.com/file/d/1jw_RSRuf81mo6iKK3t9fogWVHa5xS0As/view?usp=sharing

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2) A pair (2 pieces) of a Parallax  BASIC  STAMP Linx 433 MHz RF Digital Transceiver (#27997).

Documentation can be found at:

https://www.digchip.com/datasheets/parts/datasheet/1746/27982-pdf.php

or:

https://drive.google.com/file/d/1WsDVW_NO2YeyEW9dRN_OBn5GcC8_-KaJ/view?usp=sharing

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3) Parallax BASIC STAMP GPS module. Also works with Arduino. Information, documentation

and sample source code can be found at:

https://grandideastudio.com/portfolio/do-it-yourself/gps-receiver/

Manual can be found at:

https://drive.google.com/file/d/1EF2sy_pg6VGDiARcQ2F-53Rhu7qu36VM/view?usp=sharing