Gatekeeper N-9390 User Manual page 3

1. MODULE N-9390
The Module is part of the Athena system on a shopping cart. It involves one or two
wheels paired wirelessly with a Module, N-9390 and a Door Marker. The wheel(s)
and module communicate wirelessly with each other.
The wheels provide:
 Wheel rotation count
 Locking mechanism to prevent cart from moving
 Detect entrance/exit doorways (Door marker)
The module provides:
 Navigation algorithm to calculate cart location
 LED and audio warning prior to locking the wheels.
2. MODULE DETAILS:
LEDs Warning
Audio Warning