Ebike: How to install PAS Sensor?/ Which side should the PAS be installed on?/ Is the PAS Sensor directional?

EMOTORAD EMX Electric Bike Owner's Manual

Electric Bicycle Parts Sensor Sensor Electric Bicycle Pas Sensor - Electric Bicycle - Aliexpress

Yescom 26in Rear Electric Bicycle Motor Conversion Kit 48v 1000w – yescomusa

Can anyone identify this PAS component (Pedal Assist Sensor)

Pedal Assist Sensors (PAS)

Electric Bicycle Parts Sensor Sensor Electric Bicycle Pas Sensor - Electric Bicycle - Aliexpress

ELECTRIC BIKE 12 Magnet PAS Pedal Assist Sensor Cadence Replacement Uprated Disc £7.95 - PicClick UK

PAS Options - Getting Started

E-Bike Kit Installation Instructions, 500 Series