The Ajax "StreetSiren" EA-STS is a wireless outdoor siren with an adjustable volume of up to 113 dBA and is integrated into the security system via the protected "Jeweller" protocol.
The wireless siren uses bright LEDs for visual alarms. It is powered by lithium batteries, and a 12V power supply is optionally available. Two-way communication with the Ajax alarm control panel enables regular self-tests.

Protection against manipulation and errors

• The housing of the wireless outdoor siren is protected against sabotage
• Encrypted radio transmission
• Identification and prevention of jamming
• Presence monitoring of the siren adjustable (12-300 s)

High reliability

• High energy efficiency, through self-regulation of the transmission power (depending on the distance to the hub)
• 2-way communication with the control center allows uncomplicated test mode and system adjustment

Smooth operation

• Bidirectional radio communication
• Power supply: Battery operation or external power supply 12VDC
• Up to 5 years battery life
• Battery level available at any time
• LED status display (armed - disarmed - alarm)

• Dimensions (HxWxD): 200 x 200 x 51 mm
• Alarm signal: acoustic and optical (LEDs)
• Application: Indoor and outdoor
• Battery life: up to 5 years
• Operating voltage: 3 V
• Operating temperature: -20 °C to +60 °C
• Color: white or black
• Radio signal power: 20 mW
• Radio protocol: Jeweler (868MHz)
• Communication: wireless
• Volume level: 85 to 113 dB at 1.0 m distance (adjustable)
• Max. humidity: up to 95%
• Tamper protection: yes
• Protection class: IP54
• Power consumption standby: 70 ?A
• Alarm power consumption: 1.45 A (maximum volume)
• Power supply: 4x CR123A lithium batteries or 12 VDC via external power supply (not included)

• StreetSiren
• 4x CR123A batteries (pre-installed)
• Mounting kit
• Quick guide