We've proven you can make a consumer product with RF that is reliable.

We're addressing the age-old problem of forgetting things. Everyone has an issue with forgetting a cell phone, camera, laptop, etc..

Reliance on portable technology for communication, information and entertainment is becoming dominant for all ages and professions. This proliferation of handheld electronic gadgets has intensified the age-old tendency for people to leave behind valuable items, which can be disruptive or even dangerous.

They are proven. They rely on reliable equipment.

This Soyuz rocket has proven to be very reliable and it has a very good record.

He has proven to be an excellent and reliable teammate on a terrific Pistons team.