AlertMaster AMPXB Personal Vibrating Tactile Receiver by Clarity

The AlertMaster AMPXB, by Clarity, is a wireless, portable vibrating personal receiver with braille that provides alerts up to 80 feet away from the AM6000 Notification System. The AMPXB is an ideal solution for people who are blind and those with a moderate-to-severe hearing loss.

What else do I need to make this work?
In order to be notified, you will need to purchase a signaler or transmitter such as the ones below that will activate this receiver.

Warranty	One year limited warranty
Manufacturer	Clarity
Flat Shipping Rate	No
Product Type	Signaler
Signaler Alert Type	Vibration
Signaler Style	Wireless
Lamp Plugin	No
Built-In Transmitter	No
Signaler Type	No
Vibrating Alert	No
UPC	No