Scantronic RPT-2R | Two-Way Wireless Repeater | Signal Range Extender, Grade 2

FAQs

When is a radio repeater necessary in a wireless security system?

A radio repeater becomes necessary when building structure, construction materials, or distance prevent reliable direct communication between the control panel and wireless devices. Common scenarios include installations in buildings with thick masonry walls, steel reinforced concrete floors, metal stud partitions, or foil-backed insulation that attenuates radio signals. Large properties, multi-story buildings, or sites with outbuildings beyond direct range also benefit from repeaters. The RPT-2R effectively doubles coverage by creating an intermediate relay point, enabling wireless detection and control in areas that would otherwise require wired solutions or remain uncovered.

How many devices can the RPT-2R support?

The RPT-2R can repeat signals for up to 10 detection zones (including detectors and sensors), 2 radio keypads, 2 external radio sirens, and 2 internal radio sounders simultaneously. This capacity covers the requirements of most residential and small commercial installations where range extension is needed. If more devices require repeating, multiple RPT-2R units can be deployed at different locations, though careful planning ensures repeated signals don’t create RF congestion or introduce latency into system response times.

Does the repeater affect signal security or encryption?

No, the RPT-2R maintains AES128 encryption throughout the signal path, preserving the cybersecurity of Scantronic Secure Radio communication. The repeater authenticates with both the control panel and the wireless devices, acting as a trusted intermediary that relays encrypted signals without decrypting or compromising security. This ensures professional security standards are maintained even when signals traverse multiple hops through repeaters, critical for PD6662 and EN50131 compliant installations where signal integrity is mandatory.

Where should the repeater be positioned?

Position the RPT-2R at a location where it can receive strong signals from both the control panel and the devices requiring range extension. Typically, this means placing it approximately midway between the panel and remote devices, though optimal placement may vary based on building structure and RF propagation characteristics. Ideal locations include central hallways, stairwells, landing areas, or loft spaces with line-of-sight or minimal obstruction to both the panel and remote zones. The integrated speaker helps verify signal strength during commissioning by providing audible feedback during walk tests.

How long do the batteries last in the RPT-2R?

Battery life depends on repeater activity levels, signal strength, and environmental conditions. With 12mA quiescent current and maximum 18mA during transmission, standard AA alkaline batteries typically provide 1-2 years operational life in normal residential installations. The control panel monitors battery status through the repeater’s supervision signals, providing low battery warnings well in advance of depletion. Battery replacement is straightforward, involving opening the tampered enclosure and installing fresh AA alkaline cells without requiring system reconfiguration.

Can the RPT-2R work with non-SSR wireless devices?

No, the RPT-2R exclusively supports Scantronic Secure Radio (SSR) devices operating with AES128 encryption and bidirectional communication protocols. It cannot repeat signals from legacy wireless devices, third-party wireless systems, or narrowband transmitters. This exclusivity ensures security integrity and reliable operation, as the repeater participates in the encrypted authentication and supervision protocols that characterize SSR technology. All devices in the wireless network must be SSR-compatible for the repeater to function correctly.

Does using a repeater affect system response times?

The RPT-2R introduces minimal latency into signal transmission due to the time required to receive, process, and retransmit signals. However, SSR technology’s shortened device response times compensate for this slight delay, ensuring alarm events are still communicated rapidly. In properly designed installations, the repeater’s impact on response time is negligible compared to the alternative of no communication at all from devices beyond direct range. Signal supervision maintains connection integrity, ensuring both panel-to-device and device-to-panel communication remains reliable.

What does the integrated speaker do?

The integrated speaker assists during commissioning and testing by providing audible feedback, enabling installers to quickly locate the repeater when conducting system walk tests or signal strength surveys. The speaker confirms repeater operation and helps verify optimal positioning by indicating when signals are being relayed. This feature significantly accelerates installation workflow by eliminating the need to repeatedly return to the control panel or keypads to check device status during setup and range verification procedures.