The NESS RSI Radio Siren is a compact, high-performance wireless internal siren designed to extend alarm notifications wirelessly within a premises. Operating on the secure 304MHz band, this self-contained radio siren integrates seamlessly with Ness transmitters and alarm systems, delivering powerful audible alerts with a 116dB twin piezo output.
Ideal for both residential and commercial settings, the RSI Siren is engineered to act as either a remote siren controlled by a radio transmitter or a standalone alert system, activated through Ness Radio Keys or compatible PIRs.
What's Included in the Box
Main Features
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High-Decibel Alert: Twin piezo siren delivering an ear-piercing 116dB output.
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Universal Wireless Compatibility: Works with all Ness radio devices including Radio Keys, PIRs, and the Ness 106-084 RST Radio Siren Transmitter.
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Tamper Protection: Front and rear tamper switches provide enhanced security.
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Flexible Operation Modes: Supports standalone functionality or operation as a remote siren triggered via radio.
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Secure 304MHz Frequency: Reliable radio frequency operation ensures minimal interference.
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Automatic Siren Cut-Off: Built-in 5-minute siren duration with auto-reset electronic fuse.
Detailed Specifications
| Feature |
Details |
| Radio Compatibility |
All Ness transmitters |
| Max Number of Paired Devices |
8 |
| Tamper Switch |
Front and rear |
| Siren Output |
Twin Piezo – 116dB |
| Power Supply |
17VaC 300mA plug pack (included) |
| Fuse Protection |
500mA auto-reset electronic fuse |
| Siren Duration |
5 minutes max |
| Radio Frequencies |
303.85MHz / 868.35MHz |
Warranty Information
All Ness products come with a 12-month manufacturer's warranty covering defects in material and workmanship. Warranty claims are handled directly through Ness Corporation or their authorized distributors.
About Ness Corporation
Ness Corporation is a proudly Australian company known for designing and manufacturing high-quality electronic security equipment. With over 45 years in the industry, Ness is a trusted name in alarm systems, access control, and surveillance solutions.
SKU: RSI RADIO SIREN
Practical Use Scenarios
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Residential Security: Place the siren inside your home to extend alarm coverage beyond the main control panel.
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Commercial Premises: Use in offices or retail spaces as a wireless sounder for discrete zones.
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Fire & Evacuation Alerts: Integrate with smoke detection or manual trigger devices for emergency notification.
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Standalone Alert Systems: Pair with a Ness Radio Key for independent siren activation without a full alarm system.
Excellence for the Australian and New Zealand Market
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Fully compliant with Australian RF regulations.
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Optimized for use with Ness security systems commonly used in the Australian and New Zealand residential and commercial sectors.
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Backed by local warranty support directly through Ness Corporation Australia.
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Exclusively sourced from authorized distribution partners in the ANZ region.
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Assured compatibility with NDSS-recognized alarm solutions and local infrastructure standards.
Datasheets & Downloads
FAQs – NESS RSI RADIO SIREN (Product Code: RSI RADIO SIREN)
Q1: What is the maximum number of transmitters I can pair with the RSI RADIO SIREN?
A1: The RSI RADIO SIREN supports pairing with up to 8 Ness radio transmitters.
Q2: Can the RSI RADIO SIREN be used as a standalone device without a full alarm panel?
A2: Yes, the RSI RADIO SIREN can function independently using Ness Radio Keys or other compatible transmitters.
Q3: Does the RSI RADIO SIREN support automatic cut-off after activation?
A3: Yes, the siren features a built-in 5-minute duration timer with auto-reset to comply with noise regulations.
Q4: Is the RSI RADIO SIREN approved for use in Australia and New Zealand?
A4: Absolutely. The RSI RADIO SIREN operates on approved frequencies and complies with ANZ regulations for wireless devices.
Q5: How do I trigger the RSI RADIO SIREN remotely?
A5: You can trigger the RSI RADIO SIREN using the Ness 106-084 RST Transmitter, Radio Keys, or any compatible Ness wireless device
