Ajax HomeSiren


The Ajax HomeSiren is a wireless indoor siren with the sound volume up to 105 dB.

The volume can be adjusted from the app on your smartphone, so it is perfect for apartments and offices.

The siren comes with a battery and is therefore ready for installation. Scan the QR code on the back of the device with your smartphone and it connects to the hub.

  • All these units are available in Black and White
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Weight 0.139 kg
Dimensions 10.8 × 10.8 × 3.2 cm
Color Black, White
Classification Radio channel security sounder
Type of siren Wireless
Installation type Indoors
Compatibility Operates only with Hub and Hub Plus
Type of notification Sound
Connector for external LED Available
Sound volume level Adjustable, 81−105 dB at a distance of 1 m
Alarm length Adjustable — 3−180 s
Indication of armed/disarmed status Yes
Alarm signal delivery time 0.15 s
Power Supply Battery: Two CR123A batteries
Power supply voltage: 3 V
Battery life — up to 5 years
Jeweller radio technology Communication range with central unit — up to 1,500 m in an open space
Two-way communication between devices
Operating frequencies — 868.0-868.6 MHz
Self-adjusting RF output power — up to 25 mW
Block encryption based on AES algorithm
Device polling period — 12−300 s
Temperature sensor Available
Operating temperature range From -10°С to +40°С
Permissible humidity Up to 75%
Protection class of body IP50
Anti-sabotage Protection against fraud
Jamming detection
Remote setting and testing +
Dimensions 75х76х27 mm
Weight 97 g