The Yale Smart Alarms work on a very secure rolling code frequency of 868MHZ which offers a more stable connection and helps prevent anti jamming devices.

Yes, they can be used on most patio doors (this does depend on the door itself) please make sure that once the Door Contact is fitted there is no more than a 10mm gap between the contact and sensor.

No, the Smart Hub is not counted as one of the 20 components.

The sound such as entry/exit time delay can be muted however there is no actual way to silence the internal 94dB siren once it has been triggered, unfortunately all our alarm systems have this feature.

External Siren boxes can not be added or purchased for this alarm system as an additional accessory. We do offer other systems such as the Yale Smart Home Alarm Kit - SR-320 that include an External Siren should you wish to consider this.

The phone or tablet used in conjunction with this alarm must be iOS 9.0 or above or Android 4.2 or above. Alarm notifications will be sent via push message to these devices. This alarm is supplied with the fundamental components for an alarm system. Additional sensors can be added as required or we do offer other systems such as the Yale Easy Fit Standard Alarm that are supplied with door contact sensors as standard.

External sirens are not available as an accessory. You should consider the next model in the series, the Yale Smart Home Alarm Kit - SR-320, which includes both an internal and external siren (104db) as standard.

Press and hold the learn button on your Smart Hub. You will hear a beep, after 6 seconds you will hear a slightly longer beep indicating the hub is in learn mode. Press and hold the learn button on the power switch for 10 seconds. The Smart Hub will then beep to confirm registration of the component.