Call Button capacity
Up to 200 wireless Call Buttons can be programmed to a single B-650 Wristwatch.

The B-650 is a wireless Wristwatch Receiver that can be used for both Nurse Call and Waiter Calling applications.

Up to 200 wireless Call Buttons can be programmed to a single B-650 Wristwatch.
A separate Cancel Button is not required when cancelling calls from the Wristwatch. Press ENT on the Wristwatch to clear a call.
The Wristwatch has a rechargeable battery, charged using a Micro-USB charger. Battery life depends on usage.
Wear it on the arm using the supplied strap, or convert it to a lanyard by removing the straps and fitting the lanyard adapters.
The display can show four numbers from 0000–9999, or a letter as the first character from A–F. For example A001, B125 or F999.
The Wristwatch can be set to beep, vibrate, or beep and vibrate simultaneously. The volume is not adjustable and is set at approximately 85dB.
The Wristwatch provides a single alert. It does not continuously beep to remind the user of an unattended call.
Calling information remains displayed until the call is cancelled by pressing ENT on the Wristwatch.
The Wristwatch displays the signal strength. The standard wireless range is approximately 150 metres, and signal repeaters can extend it to roughly 1 kilometre depending on the installation and surroundings.


Straps and lanyards, error codes, alert settings, programming and more. Click any video to watch it right here.